The part of the earth inhabited by living organisms, including land, ocean, and atmosphere:
Correct answer: A. Biosphere
- A. Biosphere
- B. Ecosystem
- C. Community
- D. Habitat
Explanation
The biosphere is made up of the parts of Earth where life exists. The biosphere extends from the deepest root systems of trees to the dark environment of ocean trenches to lush rainforests and high mountaintops. Scientists describe Earth in terms of spheres.
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About Introduction to Biology
Biology is divided into fields such as botany, zoology, microbiology, genetics, ecology, physiology and biotechnology, each focusing on a different aspect of life. Levels of biological organization progress from atoms and molecules through organelles, cells, tissues, organs and organ systems to organisms, populations, communities, ecosystems and the biosphere.
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