I don’t need you to answer all of them, but whoever can answer the most will get 10 points. your help is very appreciated (: These questions are from my biology exam review, and i can’t seem to find the answers.

1. Mammals that have baleen feed on what type of organisms?

2. In mammals, the amount of water in the body is controlled mainly by which organism?

3. What is an example of a Marsupium ( For this question I think the answer might be Kangroo, I’m not sure, but could you tell me if I’m right, and if not, could you give the right answer?)

4. the similar appearance of armadillos and aardvarks is an example of what evolution?

5. bipedal locomotion consists of walking on how many feet?

6. sensory receptors that are sensitive to chemicals are found in the?

7. which structure sends impulses to the brain that enables it to determine body motion and position?

8. uncontrollable pain and sickness occurs because the body cannot produce enough endorphins whena drug user attempts to stop…?

9. Muscle tone is at its peak at what age?

10. What is a characteristic of infancy?

11. an infectious disease is one that is caused by?

12. if a person has memory b cells against a certain pathogen the person is?

13. Autoimmune diseases results when the immune system ….?

I know that there are a lot of questions, but these are the 13 from the 150 questions on my review packet that i couldn’t answer. I would GREATLY appreciate your help. Do your best, answer as many as you know. Thanks again (: