Which of the following is a false statement?
a. more energy is produced as a product to be used by organisms in aerobic respiration than anaerobic.
b. carbon dioxide is always produced by aerobic respiration but only sometimes by anaerobic respiration.
c. aerobic respiration occurs with oxygen and anaerobic respiration occurs without oxygen.
d. aerobic respiration is only done by animal cells but anaerobic is done by plant and animal cells

Which of the following is an example of this type of co-evolution

The following hormone had their receptors in the cell membrane except a-insulin b-tsh c-gh d- cortisol

Refer to this portion of a dichotomous key for fish identification to answer the question. 1. (a) has a single dorsal fin ® 5 (b) has a double dorsal fin ® 2 2. (a) one fin is spiny, the other is smooth ® 3 (b) one fin is not spiny or smooth ® 4 5. (a) has small fin on back near tail ® 6 (b) has no fin on back near tail ® 7 6. (a) has barbs near the mouth ® catfish (b) does not have barbs near the mouth ® 10 7. (a) tail is asymmetrical ® 8 (b) tail is symmetrical ® 9 10. (a) scales are small ® trout (b) scales are large ® whitefish what is the next step to complete to identify a fish that has a single dorsal fin, no fin on the back near the tail, and no barbs near the mouth? step 2 step 5 step 7 step 10