2. Nesting dolls are a set of hollow, wooden toys that have the same shape. Smaller nesting dolls fit inside larger dolls so that all smaller dolls fit into the largest doll when completely
assembled. Students were asked to use nesting dolls to model the levels of organization from
the smallest to largest structure.
Which model best demonstrates the levell of organization in plants and animals?

Afarmer has applied a pesticide to control a pest population that is affecting her crops. the pest population has reacted as shown below. which best describes the process that the pest population has experienced due to this environmental change? a genetic diversity b natural selection c natural resistance d genetic resistance

The image shows the evolution of a species of fish. a few fish from a population developed different social behaviors and evolved into different species. two fish according to the image, the fish underwent . the new species of fish had mating seasons that were different from that of the original fish. because of the differences in mating seasons, the fish underwent reproductive isolation. this mode of isolation would be .

_tissues respond quickly to outside stimuli a) epithelia b)nervous c)muscular d)muscular and nervous