The correct answer is C I believe.
Crater lake was produced when a stratovolcano collapsed, creating the crater.
The primary function of red blood cells is to carry oxygen from the lungs to the body tissues and carbon dioxide away from the tissues and back to the lungs.
Answer: option B) A gene can take different forms called alleles.
Explanation:
An allele is one of the two or more different forms of the same gene.
For example, a trait such as seed shape is represented expressed a gene, but with allele of "RR" (round seeds) and "rr"(wrinkled seeds) observed physically by the farmers.
Thus, the correct answer is that a gene can take different forms called alleles.
The structure that is responsible for releasing energy from food molecules in some singled celled organisms is MITOCHONDRIA.<span> The major function of mitochondria is to carry out cellular respiration, which make energy available for the cells to use. The mitochondria is also called the power house of the cell, because it is the organelle that specializes in turning the food molecules into the energy form that is usable by the cells.</span><span />
