QCE 2 2014 Test A

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A scuba diver sees a squid releasing a cloud of black ink while the squid quickly moves away. Which stimulus most likely caused this behavior?

Which of these organisms are most helpful in preventing Earth from being covered with the bodies of dead organisms?

What do scientists mean when they refer to a population?

Which of the following is a biotic component of a desert?

An ocean, a forest, and a grassy meadow are each examples of a complete ecosystem. Complete ecosystems contain

Fungi are an important part of a terrestrial ecosystem because they

If farmers cleared a large forest and planted grass, the squirrels that had lived in the forest would most likely

Which example shows the relationship between a living thing and a nonliving thing?