Quick Answer. Collagen is the protein that all animals have in common, even single-celled animals and creatures such as sponges that lack differentiated bodies. Collagen is a cable-like protein that can calcify into bone, shell or other hard structures.
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When we talk about evolution we come across the process of natural selection. Genetic variation is always required for the natural selection. A change or variation in the genes may help the individuals in a population to better adapt to the environment. Such changes may be brought by mutations or random mating in the population. Such variations help in the survival of the population by allowing them to adapt to changing environmental conditions.
Answer:
mitochondrion
The correct answer: The plant cell organelle which contains its own DNA and ribosomes is D) mitochondrion.
Volcanic eruptions may occur in both locations, as the movement can cause the tectonic plates to allow magma through.
Answer:
Producers have the ability to store energy from light in organic molecules.
Explanation:
