1. Nucleus
2.Different
3. Size
4. Adapted
5. Body
6. Job
7. Better
Answer:
the answer is D: the the preservation of species
Explanation:
Answer:
(d) None of the above
Explanation:
The pH of your stomach must be highly acidic, because the optimum pH for pepsin, the chief stomach enzyme, is 1.5.
(a) and (b) are wrong, because both conditions are basic.
(c) is wrong, because pH 7 is neutral.
Mutations are not a mechanism for evolution.
Answer:
In addition to altering plant communities, the study predicts climate change will change the ecological balance between interdependent and often endangered plant and animal species, reduce biodiversity and adversely affect Earth's water, energy, carbon, and other element cycles.
Explanation:
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