Which of the following is a decomposer? a. Mosquitos b. spiders! c. bacterium d. cayote!!!?

Which of the following ecosystems has the most complex food web?

a. tundra

b. prairie

c. rainforest

d. coniferous rainforest



Which of the following is the best evidence there was life on earth 10 million years ago?

a. 15,000 year old animal remains

b. 65 million year old dinosaur

c. remains of meteorite craters

d. extinction mammalian species



What is the greatest effect of reducing biodiversity in California?

a. mudslide

b. earhtquake!!!

c. destruc. habitat

d. winter storm activ.



Where does oxygen, carbon dioxide exchange?

a. liver

b. heart

c. lungs

d. kidney



Which requires use of energy?

a. active transport

b. facilitated diffusion

c. osmosis

d. diffusion



Which organelle requires sunlight to produce sugar for cell?

a. mitochondria

b. chloroplast

c. vacuole

d. nucleus



Which of the following has no nuclear membrane?

a. plant cells

b. animal cells

c. bacterial

d. fungal

Which of the following is a decomposer? a. Mosquitos b. spiders! c. bacterium d. cayote!!!?
1. C

2. C?

3. B

4. C

5. C

6. A

7. B

8. D



I am pretty sure they are right, but I did this on the top of my head.
Reply:1. C.

2. D.

3. A.

4. D.

5. C.

6. A?

7. B.

8. C.

Dog Teeth