an adult damselfish will vigorously defend a square meter patch of algae on a coral reef from other herbivores. This behavior ensures that reef algae is not overgrazed. Infer why the number of damselfish on the reef is limited by the surface area of reef coral.

option a is correct i.e.

explanation:

in context to the membrane of nerve impulse, the outer membrane of neuron is semi permeable that is only sodium ions can pass through the membrane i.e. smaller ions can pass through the membrane while larger ions cannot pass through it.

the answer would be 3

answer: after carbon dioxide enters the leaf through stomata it moves into the mesophyll cells where photosynthesis occurs and glucose is constructed. respiration occurs when glucose (sugar produced during photosynthesis) combines with oxygen to produce useable cellular energy.

explanation:

the answers are a and c