Which is true about adaptations?

a. they are acquired during an organism's lifetime.
b. they are learned from other organisms.
c. they are lost during an animal's life.
d. they are genetically acquired traits.

20 in the formula no3, what does the subscript 3 mean?

Select the correct answer from each drop-down menu. during the day, plants produce by splitting water molecules in the light-dependent reactions of photosynthesis. at the same time, plants use cellular respiration to produce some of the needed by the light-independent reactions to make sugars. during the night, plants produce because takes place.

Nerve cells are specialized to respond to stimulitrue or false?