Variations in evolution usually refers to variation of genes at a particular loci. This differs from diversity which is the total of genetic differences within a population. Speciation is the reproductive isolation of a subset of a population.
Answer:
formed of ice, rock, and dust
develop tails near the Sun
Explanation:
Comet is a smaller celestial body which is mainly composed of ice and dust.
The other components of this comet are rocks and gas.
When any comet approaches a sun it can deliver a tail of dust or gas.
hope this will help you
Waves traveling through the inner core<span> go faster than those throughthe </span>outer core<span>.</span>
Lipids are essential for all life on Earth. They play many important roles in maintaining the health of an organism. Arguably the most important function lipids perform is as the building blocks of cellular membranes. Other functions include energy storage, insulation, cellular communication and protection.