SCI 200--Final Milestone 2 Questions and Answers Already Passed
Choose the statement about nitrogen and nitrogen fixation that is FALSE. The roots of certain plants contain microorganisms that absorb nitrogen from the atmosphere and pass it on to animals. When an animal dies, microorganisms convert the nitrogen in its proteins and muscles into a form that plants can eat. Nitrogen makes up about 22% of the atmosphere and is an important biological compound found in DNA. Nitrogen in the atmosphere is not useable, so it needs to be "fixed" to be of benefit to plants and animals. Nitrogen makes up about 22% of the atmosphere and is an important biological compound found in DNA. Select the statement that is an example of a species providing an ecosystem service. When a whale is injured, other whales will support it out of the water so it can breathe. Earthworms aerate the soil and create pathways for root growth under farmers' fields. After mice invaded a home, the homeowner used humane traps to release the mice into the wild. Wolves promote biodiversity and natural balance by eating deer and other animals. Earthworms aerate the soil and create pathways for root growth under farmers' fields. Which list correctly orders the examples of organism, population, community and ecosystem?
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