Answer:
Mutation plays an important role in evolution. The ultimate source of all genetic variation is mutation. Mutation is important as the first step of evolution because it creates a new DNA sequence for a particular gene, creating a new allele.
Answer:
1)Habitat Isolation (for lobsters)
2)Temporal Isolation (for flowers)
3)Mechanical Isolation (for snails)
4)Gametic Isolation (for clams)
5)Behavioral Isolation (for birds)
Explanation:
You can use refraction which is the bending of light through a transparent material. Also the freezing and boiling points of water. One last one is the Cartesian five experiment, this shows the density of water. Hope this helped.
A. All distant galaxies are moving away from us.
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