Answer:
D. none of the above
Explanation:
The only things that can live without oxygen are related to being microscopic like bacteria.
Because it can respire anaerobically, without oxygen.
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Answer:
B and D
Explanation:
Biodiversity comes from having multiple types of organisms. This also allows different organisms to eat and create nutrients that is needed by all other organisms in the ecosystem.
The spinal cord is made up of bundles of nerve fibers.