Lab: Environmental Changes in a Watershed

Question 1

How did the lab activities help you answer the lesson question: How do environmental changes affect both living and nonliving things in a watershed? What conclusions can you make based on your observations?

Revolt · Accepted Answer

PENDING

Question 2

Which of these ideas did you include in your answer? Check all that apply.

Revolt · Accepted Answer

A virtual watershed was used to model and observe the flow of point and nonpoint pollution through the watershed and the effect of environmental changes on living and nonliving things.; If an environmental change affects abiotic factors, it will also affect the biotic factors in an ecosystem because these factors are closely linked.; Human activity can have a negative impact on an ecosystem.

Question 3

Choose the correct answers from the drop-down menus. What are the rangers doing to restore the population of the Sierra Nevada yellow-legged frogs? If the organisms that preyed on and competed with the yellow-legged frogs were removed from the affected lakes, what would most likely happen to the population of the garter snakes?

Revolt · Accepted Answer

removing fish from the affected lakes; Selection 1: removing fish from the affected lakes; Selection 2: Its population will increase.

Lab: Environmental Changes in a Watershed Answers

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