involves the loss of all part of a chromosome or one base
answer: Deletion
Answer:
The evolution of the heart is based on the separation of oxygenated blood from deoxygenated blood for efficient oxygen transport. pisces have a dual chambered heartwhile reptiles and amphibians are having a three chambered finally aves and mammals have four chambered hearts.
Explanation:
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Answer:
A group of plants and animals that are all the same and that can breed together
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A solid will maintain it's shape with or without a container
