Mutations are changes in the DNA of an organism. Examples of beneficial mutations include HIV resistance
B is the nucleoid
D is Ribosomes
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brown hair or black hair.
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External fertilization usually occurs in aquatic environments where both eggs and sperm are released into the water Most external fertilization happens during the process of spawning where one or several females release their eggs and the male(s) release sperm in the same area, at the same time.
Typically, frogs lay eggs. This process usually occurs through external fertilization, where the female releases her eggs from her body into water. Then, the male releases his sperm to fertilize them In this case, the eggs are fertilized inside the female's body before they are released.
It absorbs oxygen while at the same time releases carbon dioxide across its surface
