If the Polymerase Chain Reaction process or PCR were a machine, what kind do you think it would it be? A a printer B a shredder C a fax machine D a copier

What do the fungus that causes athlete's foot, the tick that spreads Lyme disease, and body lice all have in common? a) They are all ectoparasites. b) They are all hemiparasites. c) They are all endoparasites. d) They are all microparasites.

Which of the following will increase plant growth?

The condition in which the bodys internal enviroment is kept stable is called

To learn how different organisms might be related, scientists look for similarities and differences between the organisms. On the lines below, compare a cat and a frog. What physical features are the same? What physical features are different?

Which compartments make up the cardiovascular system

Which of these is an example of an endoparasitic relationship? O A. A tapeworm living in an animal's intestine O B. A rabbit eating lettuce in a farmer's garden O C. A tick living in an animal's fur coat O D. A snake eating a mouse in a cornfield

Why is the presence of organic material in the soil important? A) It wards away plant eating organisms. B) It increases plant growth. C) It increases sunlight absorption. D) It increases water absorption.

Which derived characteristic is shared by at least four organisms? Large brain Lungs Mammary glands Placenta

Question 2 For an object to remain at rest, which of the following must be true? A. The forces on it are balanced B. There is no friction C. Gravity doesn't act on it D. The object has no mass

Identify another invertebrate chordate other than hagfish.