Which substance in chloroplasts is a green pigment that absorbs energy for photosystems

For each of the following, decide whether the statement describes photosynthesis, cellular respiration, or both. releases energy in the form of atp. stores energy in glucose molecules. performed by producers. performed by consumers.

Coquina, a type of limestone, forms from shell fragments that settle on the ocean floor. what type of rock is coquina?

There are specialized producers that live in warm water vents deep in the ocean. these producers do not per-form from photosynthesis, but instead perform a similar process with iron and other chemicals. why do you think these producers use this process instead of photosynthesis?