Crude density and ecological density are both related but different. Ecological density is the portion of land that a certain species can colonize, where as crude density is the land within the organism's range.
Mutation causes a defect in one of the three enzyme that processes pyruvate
Natural selection is one of the basic mechanisms of evolution during which those variations in the genotype that increase organism's chances of survival and procreation are preserved and multiplied from generation to generation at the expense of those that are less advantageous. In this case the following are postulates of natural selection; Individuals with certain traits are more likely to survive and reproduce, individuals in a population vary more likely to survive and reproduce, survival and reproductive success are variable among individuals in a population and lastly some traits differences are heritable.
Answer:
A.) used for energy in animals and plants
Explanation:
(B) is a characteristic of a nucleic acid. DNA, an example of one, contains genetic information.
(C) is a characteristic of a protein. Proteins are made from amino acids.
(D) are examples of a lipid. Lipids are commonly known as fats.
Option A should be the correct answer.
Hope this helps.
They burst and leave/ move away