In Biology, an individual in a population with the highest fitness: A- will leave the most descendants behind.
B- will be stronger than the other individuals in a population.
C- will live the longest.
D- will be bigger than the other individuals in a population,

Which statement best describes a keystone species? o a. it has littlelmenetic variation. it has an extremely high population. 0 b. 0 c. it remains unaffected by all environmental changes. od. it has a strong influence on the ecosystem. 0 e. it's the first species to populate a new ecosystem.

Crossing over and independent assortment are important activities that occur during meiosis. what is the significance of these activities

This is a situation in which genes are attached to an organism's sex chromosomes; the sex of an organism influences the expression of a gene.