The answer is B
A keystone predator would increase niche diversity and help reduce niche competition <span />
Answer:
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Explanation:
The Choices of answers need revision.
Answer: Prokaryotes, archaea, protists, fungi, algae.
Explanation:I don’t think there are any single celled organisms that are today classified as animals. So basically I just left the animal kingdom out. Both metazoans and sponges are for the most part multicellular.