What is assortative mating?
when individuals mate with those who are similar to themselves
when individuals mate with those who are dissimilar to themselves
when individuals mate with those who are the most fit in the population
when individuals mate with those who are least fit in the population

The correct answer is A. When individuals mate with those who are similar to themselves.

Explanation

Selective pairing is a tendency of living beings or organisms to mate individuals that same identical of similar characteristics to them. This trend and theory is applicable to any species; however, it has been mostly investigated in humans who are guided by physical characteristics such as height, age, skin color, eyes, hair, among others, or personality traits and emotional traits such as intelligence, attitudes, among others. So, the correct answer is A. When individuals mate with those who are similar to themselves.

lizards have adapted to life in the desert. some desert lizards have toes with spiny scales to them run across the sand without sinking. some use the sand to hide from predators, or to search for small animals that they prey upon.