Question 3

what major explanation did charles darwin provide?

he explained how dna is passed on but did not have evidence of it occurring.

he was the first to provide an explanation of evolution supported by evidence.

the idea of speciation was first proposed by him.

he explained how turtles adapted to their environment.

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.

According to your text, should be in the native language of the parents or guardians whenever possible. a. an email b. consent forms c. oral approval d. storybooks loaned out

Which measure of an earthquake depends on how close you are to the focus?