Student Exploration: Coral Reefs 1 – Abiotic Factors

Coral Reefs 1 Gizmo - Abiotic Factors -ALL ANSWERS CORRECT-GRADED A

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 reefs % over time 2. Why do you think corals have declined since 1977? They have decreased because the conditions, fishing, land use, and invasive species. 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. Click Advance year 10 times. Look carefully at the composition of the reef over time. Do you see any major changes? no, not reely i see th same fish/turtle. 2. Select the DATA tab. Check that Staghorn coral, Star coral, Sponges, and Algae are selected. Populations are given as a percentage of normal populations. Click Advance year 15 times. What do you notice about these populations? They are staying the same 3. On the right side of the Gizmo, select the SUMMARY tab. In a healthy reef, what are the values for Nutrient load, Water clarity, Co/

Coral reef abiotic factors
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Category GIZMOS
Release date 2021-09-22
Pages 8
Language English
Comments 0
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