Regents Biology: Identifying Important Information

What are the most important details in the first 3 paragraphs? Choose all that apply.

• One of the key adaptations that enable Marine iguanas to live in such a salty environment is their highly efficient salt glands.

• The Galápagos Islands are home to one of the most unique creatures on the planet—the Marine iguana (Amblyrhynchus cristatus).

• These specialized glands are located near their nostrils and are responsible for expelling the excess salt that the iguanas absorb from the seawater while they feed.

• If their salt glands cannot cope with the increased salt levels, these remarkable reptiles could struggle to maintain homeostasis, leading to dehydration, stress, and potentially a decline in their population.

• Remarkably, Marine iguanas can sneeze out this excess salt without losing significant amounts of water, a critical factor in preventing dehydration.

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Which key detail(s) would be most helpful in answering Question 1?

• If their salt glands cannot cope with the increased salt levels, these remarkable reptiles could struggle to maintain homeostasis, leading to dehydration, stress, and potentially a decline in their population.

• The Galápagos Islands are home to one of the most unique creatures on the planet—the Marine iguana (Amblyrhynchus cristatus).

• Remarkably, Marine iguanas can sneeze out this excess salt without losing significant amounts of water, a critical factor in preventing dehydration.

• These specialized glands are located near their nostrils and are responsible for expelling the excess salt that the iguanas absorb from the seawater while they feed.

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Circle the 3 most important details in this table that would help you answer Question 2.

Question 2: Based on the quantitative data provided for salt concentration, hydration levels, and salt expulsion, how does the difference in salt gland function between the control group and the experimental group affect the Marine iguanas' ability to maintain homeostasis?

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What do you need to include in your answer to this question? Choose all that apply.

• A claim stating type of feedback loop involving the salt glands

• How homeostasis is maintained

• 2 pieces of evidence from the data table

• The definition of a negative and positive feedback loop

• Reasoning to support your claim

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Circle where you must ADD to the model in RED.

Circle where you must explain the model in BLUE.

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Which detail(s) could help you answer Question 5? Choose all that apply.

• Remarkably, Marine iguanas can sneeze out this excess salt without losing significant amounts of water, a critical factor in preventing dehydration.

• These specialized glands are located near their nostrils and are responsible for expelling the excess salt that the iguanas absorb from the seawater while they feed.

• Control Group iguanas appeared healthy and active throughout the observation period.

• Positive feedback loops encourage or speed up output of something in a living system.

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Circle the key words that could help you answer this question.

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NGSS.MS-LS2-4

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In your own words, what is Question 6 asking you to do?

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