Answer:
the cause of variation are
- mutation
- random fertilization
- recombination between homologous chromosome
hope it helps.
Answer:
Answer is below
Explanation:
Frogs and humans share the same basic organs. Both have lungs, kidneys, a stomach, a heart, a brain, a liver, a spleen, a small intestine and a large intestine, a pancreas, a gall bladder, a urinary bladder and a ureter. ... On the whole, their organ structure is similar, but frogs have considerably less complex anatomies
Water is an abiotic factor
Carbon is so abundant in living things even though oxygen is the most abundant element on Earth because carbon atoms can bond with one another to make chains and cyclic structures whereas oxygen atoms cannot form chains or cyclic structures.
The correct answer is the first option.
Both droughts resulted in strong natural selection on medium ground finch populations and both droughts resulted in alteration to available food, which favored the survival of some medium ground finches over others. Thus, the correct option is A and B.
<h3>
What is natural selection?</h3>
Natural selection is a natural process in which organisms that are more adapted to their environment survive and reproduce more than those that are not.
Darwin's Finches' beaks were picked for their beneficial adaptations over generations until they all branched off to become new species. These birds have distinct beaks than mainland finches, although being almost identical in every other way.
For more information regarding natural selection, visit:
brainly.com/question/1596717
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