A) They all have similar chemical properties.
Answer:
C) Gene flow
Explanation:
Gene flow refers to the movement of alleles between local populations. It results from the migration of individuals. Two adjacent populations can exhibit gene flow due to the mating between their individuals and can have significant evolutionary consequences as it does not allow the reproductive isolation of these populations. In the given example, the two mice populations are present on either side of a river. Mating between the mice of the two populations resulted in gene flow and maintained resemblance among their members.
1) Living parts (animals, bacteria, plants, etc.)
2) Abiotic Factors (nonliving parts- mulch, rocks, waterfalls)
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The answer is b. The second letter (if there is one) is always written as lowercase