Several squirrels move into a new area and join an existing population of squirrels, changing the genetic makeup of the population. This is an
example of... *

Which of the following birds remained ancient looking in the miocene epoch? a. crows b. owls c. grouses d. none of the above

What are two ways in which waves erode the land?

After reading the paragraph below, answer the questions that follow. researchers have created a robot that has a very thin leg that is moved by cardiac (heart) cells contracting in unison. the robot, made of a polymer similar to that used in making contact lenses, is bathed in heart cells with supporting cells, which then attach to the robot and provide movement as they contract. all of the cardiac cells working together can cause the robot leg to move in a way that individual cells could not. this is an example of a. emergent properties of cells. b. energy flow through an ecosystem. c. adaptation. d. internal environment regulation.