Answer:
7....Mainland brown bear
.....ABC Brown bear
,,,,,Polar Bear
Explanation:
The mainland brow bear and the ABC brown bear, both share common ancestor 7. but, the polar bear also descended from ancestral specie 7. because not all descendant of ancestral specie 7 are included, that group is considered paraphyletic.
Answer:
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Explanation:
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Answer:
The correct answer is C. ecosystem
Explanation:
I got the answer correct on usatestprep.
Answer:
When organisms die, their bodies decompose bringing the nitrogen into soil on land or into ocean water. Bacteria alter the nitrogen into a form that plants are able to use. Other types of bacteria are able to change nitrogen dissolved in waterways into a form that allows it to return to the atmosphere.
Explanation:
