Answer:A
Explanation:The anatomy and behavior of that animal's immediate ancestor..
Based totally on the ear, the Recommended Dietary Allowance (RDA) represents an amount that meets the desires of ninety-seven to the ninety-eight percentage of healthy people in an age/gender institution.
ok consumption (AI): hooked up while evidence is insufficient to increase an RDA and is ready at a degree assumed to make certain nutritional adequacy.
Answer:
Directional selection
Explanation:
Directional selection is a type of natural selection that favors one extreme phenotype of a genetic trait due to its survival and reproductive advantage to the individuals over another extreme phenotype and the intermediate phenotype.
In the given example, the thick-leaved plants are better adapted to a drier climate due to reduced water loss. Directional selection favored the plants with thick leaves which in turn produced more progeny. Over the generations, the population evolved into the one having more number of thick-leaved plants.
A scientific theory changes when there is more information available about what the theory covers.
<span>The factors that are responsible for the ABO blood type, or the Rh, are located on the surface of the red blood cells, also known as erythrocites. They are used to deliver oxygen to the body tissues. </span>
