Answer:
a biological community of interacting organisms and their physical environment.
"the marine ecosystem of the northern Gulf had suffered irreparable damage"
(in general use) a complex network or interconnected system.An ecosystem is a geographic area where plants, animals, and other organisms, as well as weather and landscape, work together to form a bubble of life. Ecosystems contain biotic or living, parts, as well as abiotic factors, or nonliving parts.
"Silicon Valley's entrepreneurial ecosystem"
There are two types of ecosystem: Terrestrial Ecosystem. Aquatic Ecosystem.
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Answer: B,C,and E
Explanation: I just took the test on USA test prep.
To ensure peace with American Indians
One explanation is that Columbus. Another is that the natives crossed a land bridge between Alaska and Europe. Both explanations show that both came to America. A contrast is that Columbus was white and came on a boat from Spain and the natives walked across a land bridge from some where in Europe.
