Answer:
D, Secondary Succession
Explanation:
The answer is D because a habitat is an organism's home, a niche is the organism's role, and primary succession is when there are changes to land that contain no soil or life. Hope this helped :3
D.exotic animal trade contributes to reemergence of diseases more than the appearance of new disease<span />
Octopus<span> muscle fibers run in all directions; when contracted, they form a "skeletal" support system.</span>
Producers create food by them selves from the sun but consumers eat the producers they both consume food. But the consumers get less energy than the consumers cause they pass on less energy than they consume hope it helps
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