Coral reefs 1 abiotic factors

In this followup to the Coral Reefs 1 - Abiotic Factors activity, investigate the impacts of fishing, disease, and invasive species on a model Caribbean coral reef. Many variables can be manipulated, included intensity of fishing, presence of black band and white band disease, and the presence of actual and potential invasive species. ...

Student Exploration: Coral Reefs 2 3 Biotic Factors [Note to teachers and students: This lesson was designed as a follow-up to the Coral Reefs 1 3 Abiotic Factors lesson. We recommend doing that activity before trying this one.] Vocabulary: biotic factor, black band disease, invasive species, white band diseaseView this answer. Five major abiotic factors in coral reefs are water, temperature, sunlight, salt, and waves. All of these are parts of the coral reef ecosystem that... See full answer below. What does it show? the decrease of coral reefs in the caribbean. Why do you think corals have declined since 1977? due to environmental problems. Click Advance year 10 times. Look carefully at the composition of the reef over time. Do you see any major changes? noThere are many different biotic factors that affect coral reefs. They will be discussed throughout different units. For now, we will focus on the abiotic factors that affect corals. Can you think of any abiotic factors that may affect coral reef ecosystems? Here are some examples: Next section Page 1 of 3Apr 16, 2023 · The neritic zone (Figure 6.1.4.1 6.1.4. 1) extends from the intertidal zone to depths of about 200 m at the edge of the continental shelf. Since light can penetrate this depth, photosynthesis can occur in the neritic zone. The water here contains silt and is well-oxygenated, low in pressure, and stable in temperature. Coral reefs are some of the most diverse habitats on Earth, home to over a quarter of all marine species. The Coral Reefs Gizmo provides a simplified model of interactions among 10 key species in Caribbean reefs. In the Coral Reefs 1 exploration, you will focus on the effects of environmental factors on Caribbean reefs. 1. Click Advance year 10 ...Abiotic factors, and their control in an ecosystem can be seen throughout the coral reefs. Necessary Abiotic Factors: Water Temperature- 23-29 degrees Celsius. Saltinity- 32-40%. Water Depth- 25m or less. Occurance of Waves- If too many waves are present in a coral reef ecosystem the coral is no longer able to capture food, and the waves can ...

The ocean side of the reef begins the fore-reef, which continues down in depth to a sand plain. Abiotic factors on the fore-reef are less stressful compared to other zones and ideal for coral growth.In this followup to the Coral Reefs 1 - Abiotic Factors activity, investigate the impacts of fishing, disease, and invasive species on a model Caribbean coral reef. Many variables can be manipulated, included intensity of fishing, presence of black band and white band disease, and the presence of actual and potential invasive species. Student Exploration: Coral Reefs 1 – Abiotic Factors. Vocabulary: consumer, coral, coral bleaching, coral reef, filter feeder, food chain, food web,grazer, nutrients, ocean …The Great Barrier Reef, the largest in the world, consists of many small coral reefs. The Great Barrier Reef is located on the coast of Australia. Coral reefs exist in many oceans …tiny marine animals that build reefs in tropical oceans. coral reef. A complex marine ecosystem formed on the exoskeletons secreted by stony corals. coral bleaching. Process where corals loose their zooxanthellae, usually caused by high water temperatures. filter feeder. organism that filters small particles such as plankton from water to get ... a process in which corals lose their zooxanthellae, usually as a result of abnormally high water temperatures. coral reef. a complex and diverse marine ecosystem formed on the …

Background Coral reefs are one of the most biodiverse and productive ecosystems, providing habitat for a vast of species. Reef-building scleractinian corals with a symbiotic microbiome, including bacteria, archaea, viruses and eukaryotic microbes, are referred to coral holobionts. Among them, coral diseases, mainly caused by Vibrio spp., have significantly contributed to the loss of coral ...Oct 7, 2021 · Reefs are also impacted by disease-causing bacteria, humans, and other biotic factors, or living parts of the ecosystem. In the Coral Reefs 2 – Biotic Factors lesson, you will explore how these factors affect coral reefs. 1. On the CONDITIONS tab, select Fishing. Set Net fishing to 50%. Click Advance year 10 times. Using Coral Reefs 1 - Abiotic Factors Gizmo, we can simulate the effects of certain factors in the marine ecosystem. In this case, we are tasked to find the effect of rising sea temperature. Initially, at 27°C, the seafloor is seen to be teeming with marine life and the corals are looking healthy.Examples of abiotic factors in the coral reef: wind, water, sunlight, wind, depth, nutrients, and temperature. In the coral reef the temperature ranges from 61 to 86 degrees fahrenheit. Extreme temperatures can be as high as 104 degrees fahrenheit (40 degrees celsius). Wind in the coral reef can range from 14 to 18 miles per hour. In this followup to the Coral Reefs 1 - Abiotic Factors activity, investigate the impacts of fishing, disease, and invasive species on a model Caribbean coral reef. Many variables can be manipulated, included intensity of fishing, presence of black band and white band disease, and the presence of actual and potential invasive species. Coral reefs are one of the most diverse biomes. It is estimated that more than 4000 fish species inhabit coral reefs. These fishes can feed on coral, the cryptofauna (invertebrates found within the calcium carbonate structures of the coral reefs), or the seaweed and algae that are associated with the coral. These species include predators ...

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The Coral Reefs Gizmo™ provides a simplified model of interactions among 10 key species in Caribbean reefs. In the Coral Reefs 1 exploration, you will focus on the effects of environmental factors on Caribbean reefs. 1. Click Advance year 10 times. Look carefully at the composition of the reef over time.Marine ecosystems are aquatic environments with high levels of dissolved salt, such as those found in or near the ocean. Marine ecosystems are defined by their unique biotic (living) and abiotic (nonliving) factors. Biotic factors include plants, animals, and microbes; important a biotic factors include the amount of sunlight in the ecosystem ...There are many different biotic factors that affect coral reefs. They will be discussed throughout different units. For now, we will focus on the abiotic factors that affect corals. Can you think of any abiotic factors that may affect coral reef ecosystems? Here are some examples: Next section Page 1 of 3We would like to show you a description here but the site won’t allow us.

Gizmo Warm-up Coral reefs are some of the most diverse habitats on Earth, home to over a quarter of all marine species. The Coral Reefs Gizmo provides a simplified model of interactions among 10 key species in Caribbean reefs. In the Coral Reefs 1 exploration, you will focus on the effects of environmental factors on Caribbean reefs.Name: Date: Student Exploration: Coral Reefs 1 – Abiotic Factors. Directions: Follow the instructions to go through the simulation. Respond to the questions andprompts in the …Gizmo Warm-up Coral reefs are some of the most diverse habitats on Earth, home to over a quarter of all marine species. The Coral Reefs Gizmo provides a simplified model of interactions among 10 key species in Caribbean reefs. In the Coral Reefs 1 exploration, you will focus on the effects of environmental factors on Caribbean reefs.Abiotic Factors and Coral Reefs Figure 4 Figure 3 The physiological constraints of sequestering calcium and carbonate ions from the environment and depositing a calcium carbonate skeleton set... Lesson info for Coral Reefs 2 - Biotic Factors. In this followup to the Coral Reefs 1 - Abiotic Factors activity, investigate the impacts of fishing, disease, and invasive species on a model Caribbean coral reef. Many variables can be manipulated, included intensity of fishing, presence of black band and white band disease, and the presence of actual and potential invasive species. Click ... Vocabulary: Coral Reefs 1 – Abiotic Factors Vocabulary • Consumer – an organism that obtains energy by feeding on organic materials. o Organic materials are carbon-based compounds produced by living things. o All animals, all fungi, and even some plants are consumers. o Coral reef consumers include fishes, sponges, and other animals.Aug 17, 2021 · Gizmo Warm-up Coral reefs are some of the most diverse habitats on Earth, home to over a quarter of all marine species. The Coral Reefs Gizmo™ provides a simplified model of interactions among 10 key species in Caribbean reefs. In the Coral Reefs 1 exploration, you will focus on the effects of environmental factors on Caribbean reefs. 1. Coral Reefs 2 - Biotic Factors Coral Reefs 2 - Biotic Factors In this followup to the Coral Reefs 1 - Abiotic Factors activity, investigate the impacts of fishing, disease, and invasive species on a model Caribbean coral reef. There are many different biotic factors that affect coral reefs. They will be discussed throughout different units. For now, we will focus on the abiotic factors that affect corals. Can you think of any abiotic factors that may affect coral reef ecosystems? Here are some examples: Next section Page 1 of 3Participation! gizmo student exploration coral reefs 1 abiotic factors answer key Robohe jihafo ni rokezixazelu botojuyaxe hi fazufoki xamaxeta la levo lahaya bihi bohako bisihipiyito. Najeyuyu gewidu gisipalayo kilozicafoxa dotafa pu fulasawo tecu tejarozumijo junola vomo woxeyimuyi vo basuhudi. Xovijoho babupi robo taseju hiyugu xavepotu ce ...Coral Reefs 1 - Abiotic Factors. 13 terms. Images. emerya10 Teacher. Coral Reefs 2 - Biotic Factors (Quiz) 5 terms. Dasia_Johnson_2. Other sets by this creator. Second Economics Test. 53 terms. Spring725. TREE EXAM 1. 63 terms. Spring725. economics. 57 terms. Spring725. Changing Climate. 61 terms. Spring725. Verified questions.Temperature and sunlight are two abiotic factors found in nearly every ecosystem, but since the Great Barrier Reef is an aquatic ecosystem, it has some additional abiotic components, including buoyancy, viscosity, light penetration, salts, gases and water density. Buoyancy refers to the force that supports the weight of an organism.

Print Page ASSESSMENT QUESTIONS: Questions & Answers ± 1. Which of the images below depicts a healthy reef ecosystem? A. Image A B. Image B C. Image C D. Image D Correct Answer: A. Image A Explanation: A healthy reef contains abundant corals, sponges, algae, ¡shes, sea turtles, and other organisms. Only image A shows this …

At local scales, the hydrodynamic regime influences reef growth, as corals are damaged by storms and wave surge. The typical abiotic environment in which reefs are found, and which determines reef distribution, is defined. The chapter also discusses marginal reefs, where corals live at the margins of their survival, for example in the warm ... Coral Reefs 2 - Biotic Factors Coral Reefs 2 - Biotic Factors In this followup to the Coral Reefs 1 - Abiotic Factors activity, investigate the impacts of fishing, disease, and invasive species on a model Caribbean coral reef. Using Coral Reefs 1 - Abiotic Factors Gizmo, we can simulate the effects of certain factors in the marine ecosystem. In this case, we are tasked to find the effect of rising sea temperature. Initially, at 27°C, the seafloor is seen to be teeming with marine life and the corals are looking healthy.We would like to show you a description here but the site won’t allow us.Each zone has a distinct group of species adapted to the biotic and abiotic conditions particular to that zone. The intertidal zone (Figure 9.2.4.2 9.2.4. 2) is the oceanic region that is closest to land. With each tidal cycle, the intertidal zone alternates between being inundated with water and left high and dry.Gizmo Warm-up Coral reefs are some of the most diverse habitats on Earth, home to over a quarter of all marine species. The Coral Reefs Gizmo provides a simplified model of interactions among 10 key species in Caribbean reefs. In the Coral Reefs 1 exploration, you will focus on the effects of environmental factors on Caribbean reefs. 1. Coral reefs are largely restricted to shallow tropical seas, where water is warm, nutrient poor and well illuminated for photosynthesis and where sufficient calcium carbonate (aragonite) exists in seawater for the precipitation of coral skeletons (i.e. calcification).Gizmo Warm-up Coral reefs are some of the most diverse habitats on Earth, home to over a quarter of all marine species. The Coral Reefs Gizmo™ provides a simplified model of interactions among 10 key species in Caribbean reefs. In the Coral Reefs 1 exploration, you will focus on the effects of environmental factors on Caribbean reefs. 1.

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OCR GCSE Geography A – 2.1.1. Ecosystems include abiotic and biotic components which are interdependent. AQA GCSE Geography – 3.1.2.1. An overview of the ...Name: Anthony Gomez Date: Student Exploration: Coral Reefs 1 – Abiotic Factors Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. Look at the graph to the right. What does it show? Percentage of coral cover in caribbean reefs 1977-2012 Gizmo Warm-up Coral reefs are some of the most diverse habitats on Earth, home to over a …In this followup to the Coral Reefs 1 - Abiotic Factors activity, investigate the impacts of fishing, disease, and invasive species on a model Cari...Gizmo Warm-up Coral reefs are some of the most diverse habitats on Earth, home to over a quarter of all marine species. The Coral Reefs Gizmo™ provides a simplified model of interactions among 10 key species in Caribbean reefs. In the Coral Reefs 1 exploration, you will focus on the effects of environmental factors on Caribbean …Gizmo Warm-up Coral reefs are some of the most diverse habitats on Earth, home to over a quarter of all marine species. The Coral Reefs Gizmo™ provides a simplified model of interactions among 10 key species in Caribbean reefs. In the Coral Reefs 1 exploration, you will focus on the effects of environmental factors on Caribbean reefs.Created by queen6885 Terms in this set (20) consumer an organism that obtains energy by feeding on organic materials (coral reef consumers include fish, sponges, and other animals) coral a class of marine animals in the phylum Cnidaria that are important reef builders in tropical oceans coral bleachingThe typical abiotic environment in which reefs are found, and which determines reef distribution, is defined. The chapter also discusses marginal reefs, where corals live at …Vocabulary: Coral Reefs 1 – Abiotic Factors Vocabulary • Consumer – an organism that obtains energy by feeding on organic materials. o Organic materials are carbon-based compounds produced by living things. o All animals, all fungi, and even some plants are consumers. o Coral reef consumers include fishes, sponges, and other animals.Student Exploration: Coral Reefs 2 – Biotic Factors [Note to teachers and students: This lesson was designed as a follow-up to the Coral Reefs 1 – Abiotic Factors lesson. We recommend doing that activity before trying this one.] Vocabulary: biotic factor, black band disease, invasive species, white band disease ….

Gizmo Warm-up Coral reefs are some of the most diverse habitats on Earth, home to over a quarter of all marine species. The Coral Reefs Gizmo provides a simplified model of interactions among 10 key species in Caribbean reefs. In the Coral Reefs 1 exploration, you will focus on the effects of environmental factors on Caribbean reefs. 3.1 Controls on coral distribution. Coral reefs are restricted to shallow tropical seas. The abiotic factors that determine the survival of reefs within these regions are quite specific, and in particular, coral reef growth is controlled by: ( a) salinity; ( b) temperature; ( c) light (both quality and quantity); ( d) nutrients; ( e) exposure ... Name: Anthony Gomez Date: Student Exploration: Coral Reefs 1 – Abiotic Factors Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. Look at the graph to the right. What does it show? Percentage of coral cover in caribbean reefs 1977-2012 Gizmo Warm-up Coral reefs are some of the most diverse habitats on Earth, home to over a …3/28/22, 7:30 PM Coral Reefs 1 - Abiotic Factors Gizmo : ExploreLearning Correct Answer: D. Graph D Explanation: The main impact of the raw sewage will be an increase in nutrient concentrations. This will spur the growth of algae and also increase the populations of the two primary algae grazers: parrot±sh and long-spined sea urchins a process in which corals lose their zooxanthellae, usually as a result of abnormally high water temperatures. coral reef. a complex and diverse marine ecosystem formed on the …1 февр. 2019 г. ... Coral reefs are some of the most diverse ecosystems in the world. Coral polyps, the animals primarily responsible for building reefs, ...Gizmo Warm-up Coral reefs are some of the most diverse habitats on Earth, home to over a quarter of all marine species. The Coral Reefs Gizmo provides a simplified model of interactions among 10 key species in Caribbean reefs. In the Coral Reefs 1 exploration, you will focus on the effects of environmental factors on Caribbean reefs. tiny marine animals that build reefs in tropical oceans. coral reef. A complex marine ecosystem formed on the exoskeletons secreted by stony corals. coral bleaching. Process where corals loose their zooxanthellae, usually caused by high water temperatures. filter feeder. organism that filters small particles such as plankton from water to get ...Gizmo Warm-up Coral reefs are some of the most diverse habitats on Earth, home to over a quarter of all marine species. The Coral Reefs Gizmo™ provides a simplified model of interactions among 10 key species in Caribbean reefs. In the Coral Reefs 1 exploration, you will focus on the effects of environmental factors on Caribbean reefs. 1. Coral reefs 1 abiotic factors, 1 мар. 2017 г. ... Ocean Acidification Changes Abiotic Processes but Not Biotic Processes in Coral Reef Sediments. Artur Fink1* Joost den Haan1 Arjun Chennu1 ..., Organic matter that is used as fuel. What are the Abiotic factors of a coral reef ecosystem? Sunlight, water, oxygen and carbon dioxide. What the Biotic factors of a coral reef ecosystem? Primary, secondary, and tertiary consumers. What abiotic factors are in a kelp forest ecosystem? Light, temperature, nutrients, water motion, and rocks., We would like to show you a description here but the site won’t allow us., Coral Reefs 2 - Biotic Factors Coral Reefs 2 - Biotic Factors In this followup to the Coral Reefs 1 - Abiotic Factors activity, investigate the impacts of fishing, disease, and invasive species on a model Caribbean coral reef., Using Coral Reefs 1 - Abiotic Factors Gizmo, we can simulate the effects of certain factors in the marine ecosystem. In this case, we are tasked to find the effect of rising sea temperature. Initially, at 27°C, the seafloor is seen to be teeming with marine life and the corals are looking healthy., Abiotic Factors Influencing Aquatic Biomes. Like terrestrial biomes, aquatic biomes are influenced by a series of abiotic factors. The aquatic medium—water— has different physical and chemical properties than air. ... Coral reefs are characterized by high biodiversity and the structures created by invertebrates that live in warm, shallow ..., Using Coral Reefs 1 - Abiotic Factors Gizmo, we can simulate the effects of certain factors in the marine ecosystem. In this case, we are tasked to find the effect of rising sea temperature. Initially, at 27°C, the seafloor is seen to be teeming with marine life and the corals are looking healthy., Student Exploration: Coral Reefs 1 – Abiotic Factors. Directions: Follow the instructions to go through the simulation. Respond to the questions and prompts in the orange boxes. ... The Coral Reefs Gizmo provides a simplified model of interactions among 10 key species in Caribbean reefs. In the Coral Reefs 1 exploration, ..., Essentials. The Great Barrier Reef is the largest living structure on Earth. It provides habitat for nearly 9,000 species of marine life—and that’s just the (relatively) easy to count ones! The reef’s rich biodiversity helps it to maintain a stable and healthy coral reef system. Another way to look at biodiversity is from the perspective ..., Coral reefs are one of the most diverse biomes. It is estimated that more than 4000 fish species inhabit coral reefs. These fishes can feed on coral, the cryptofauna (invertebrates found within the calcium carbonate structures of the coral reefs), or the seaweed and algae that are associated with the coral. These species include predators ..., Coral Reefs - Abiotic Factors Gizmo Activity A ACTIVITY A: Ocean Conditions Get the Gizmo ready: 1. On the CONDITIONS tab, Click Return to original settings and Restart. 2. Check that Ocean conditions are selected on the dropdown menu. Introduction: In recent decades, global climate change has altered ocean conditions in the Caribbean. Average …, Using Coral Reefs 1 - Abiotic Factors Gizmo, we can simulate the effects of certain factors in the marine ecosystem. In this case, we are tasked to find the effect of rising sea temperature. Initially, at 27°C, the seafloor is seen to be teeming with marine life and the corals are looking healthy., Reef-building corals show a marked decrease in total species richness from the tropics to high latitude regions. Several hypotheses have been proposed to account for this pattern in the context of abiotic and biotic factors, including temperature thresholds, light limitation, aragonite saturation, nutrient or sediment loads, larval dispersal …, There are three kinds of coral reefs, namely fringing reef, ... Sciencing. https://sciencing. com/abiotic-factors-rain-forest-7826455.html Facts and Details (2012). Mangroves and the plants and ..., Like terrestrial biomes, aquatic biomes are influenced by a series of abiotic factors. The aquatic medium—water— has different physical and chemical properties than air. ... Coral reefs are characterized by high biodiversity and the structures created by invertebrates that live in warm, shallow waters within the photic zone of the ocean ..., 5.3: Aquatic Biomes is shared under a CC BY-NC-SA license and was authored, remixed, and/or curated by LibreTexts. Like terrestrial biomes, aquatic biomes are influenced by a series of abiotic factors. The aquatic medium—water— has different physical and chemical properties than air, however. Even if …. , Docmerit is super useful, because you study and make money at the same time! You even benefit from summaries made a couple of years ago. Student Exploration: Coral Reefs 1 – Abiotic Factors Vocabulary: consumer, coral, coral bleaching, coral reef, filter feeder, food chain, food web, grazer, nutrients, ocean acidification, pH, plankton ..., Coral reefs are some of the most diverse habitats on Earth, home to over a quarter of all marine species. The Coral Reefs Gizmo provides a simplified model of interactions among 10 key species in Caribbean reefs. In the Coral Reefs 1 exploration, you will focus on the effects of environmental factors on Caribbean reefs. 1. Click Advance year 10 ..., Using Coral Reefs 1 - Abiotic Factors Gizmo, we can simulate the effects of certain factors in the marine ecosystem. In this case, we are tasked to find the effect of rising sea temperature. Initially, at 27°C, the seafloor is seen to be teeming with marine life and the corals are looking healthy., 2.D.1 Abiotic factors in an environment determine the characteristics of the environment (biome). ... Coral reefs are ocean ridges formed by marine invertebrates living in warm shallow waters within the photic zone of the ocean. They are found within 30˚ north and south of the equator. The Great Barrier Reef is a well-known reef system located ..., For travelers, southern Italy just got even more appealing: The country's first coral reef has been discovered off the coast of Puglia, near the seaside town of Monopoli. For travelers, southern Italy just got even more appealing: The count..., Gizmo Warm-up Coral reefs are some of the most diverse habitats on Earth, home to over a quarter of all marine species. The Coral Reefs Gizmo provides a simplified model of interactions among 10 key species in Caribbean reefs. In the Coral Reefs 1 exploration, you will focus on the effects of environmental factors on Caribbean reefs., coral bleaching. a process in which corals lose their zooxanthellae, usually as a result of abnormally high water temperatures. coral reef. a complex and diverse marine …, Marine ecosystems are aquatic environments with high levels of dissolved salt, such as those found in or near the ocean. Marine ecosystems are defined by their unique biotic (living) and abiotic (nonliving) factors. Biotic factors include plants, animals, and microbes; important abiotic factors include the amount of sunlight in the …, Gizmo Warm-up Coral reefs are some of the most diverse habitats on Earth, home to over a quarter of all marine species. The Coral Reefs Gizmo™ provides a simplified model of interactions among 10 key species in Caribbean reefs. In the Coral Reefs 1 exploration, you will focus on the effects of environmental factors on Caribbean reefs. 1. , Coral Reefs 1 – Abiotic Factors Answer Key Vocabulary: consumer, coral, coral bleaching, coral reef, filter feeder, food chain, food web, grazer, nutrients, ocean acidification, pH, plankton, predator, producer, sediment, zooxanthellae Prior Knowledge Questions (Do these BEFORE using the Gizmo.) [Note: The purpose of these questions …, Coral Reefs 1 - Abiotic Factors. 13 terms. Images. emerya10 Teacher. Coral Reefs 2 - Biotic Factors (Quiz) 5 terms. Dasia_Johnson_2. Other sets by this creator. Second Economics Test. 53 terms. Spring725. TREE EXAM 1. 63 terms. Spring725. economics. 57 terms. Spring725. Changing Climate. 61 terms. Spring725. Verified questions., Coral reef abiotic factors; The coral reef is an underwater ecosystem that is characterized by reef-building corals. Coral cannot live in water with a low number of salts and in cold water, the abiotic environmental factors in coral reefs are trash or pollution, rocks, minerals, and other non-living things in their ecosystem. ..., The factors affecting coral's resilience -- its ability to adapt to and survive environmental changes -- seem to be more nuanced than scientists believed. In a study …, There are many different biotic factors that affect coral reefs. They will be discussed throughout different units. For now, we will focus on the abiotic factors that affect corals. Can you think of any abiotic factors that may affect coral reef ecosystems? Here are some examples: Next section Page 1 of 3, Gizmo Warm-up Coral reefs are some of the most diverse habitats on Earth, home to over a quarter of all marine species. The Coral Reefs Gizmo provides a simplified model of interactions among 10 key species in Caribbean reefs. In the Coral Reefs 1 exploration, you will focus on the effects of environmental factors on Caribbean reefs. , Student Exploration: Coral Reefs 1 – Abiotic Factors Vocabulary: consumer, coral, coral bleaching, coral reef, filter feeder, food chain, food web, grazer, nutrients, ocean acidification, pH, plankton, predator, producer, sediment, zooxanthellae Prior Knowledge Questions (Do these BEFORE using the Gizmo.) 1. Look at the graph to the right. What does it show? it shows a decrease in coral ..., 3.1 Controls on coral distribution. Coral reefs are restricted to shallow tropical seas. The abiotic factors that determine the survival of reefs within these regions are quite specific, and in particular, coral reef growth is controlled by: ( a) salinity; ( b) temperature; ( c) light (both quality and quantity); ( d) nutrients; ( e) exposure ...