Mutation is a source but it is not the main source after it comes recombination in which 2 chromosomes with “normal” survival are taken from natural population of Drosophila and combined. Then comes immigration of genes in which the new chromosome mix in with different gene frequencies.
I think its false because you gain energy over the time you lose and have.
hope it helps
I think the answer would be
A) to transport water and food
Answer:
In John Watson's Little Albert experiment, the white rat was stimulus associated specific entity and the loud noise was the associated stimulus.
Answer: These changes can be caused by environmental factors such as ultraviolet radiation from the sun, or can occur if an error is made as DNA copies itself during cell division. Acquired mutations in somatic cells (cells other than sperm and egg cells) cannot be passed to the next generation.
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