Answer:
*Behavioral isolation occurs when members of a population diverge in their behaviors over time. Eventually, they are unable to mate and become separate species
*Temporal isolation, in biology, a type of reproductive isolation mechanism among sexual organisms in which the differences in the timing of critical reproductive events prevent members of closely related species, which could otherwise breed with one another, from mating and producing hybrid offspring.
*Habitat isolation occurs when habitat preferences lower the probability of mating between individuals associated with differing habitats.
The presence or absence of two antigens.
Answer:
The greenhouse effect is a natural process that warms the Earth's surface.
Explanation:Greenhouse gases cause the earth to warm up
