Answer:
C. The population of mice would decrease.
Explanation:
The phylum Arthropoda contains a wide diversity of animals with hard exoskeletons and jointed appendages. Many familiar species belong to the phylum Arthropoda—insects, spiders, scorpions, centipedes, and millipedes on land; crabs, crayfish, shrimp, lobsters, and barnacles in water (Fig. 3.72).
Your answer for this question is paper which Is A
The answer is C- The need for Oxygen. <span />
They were probably the first multicelluar life- forms
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