Which of the following are the effects of the release of the hormone catecholamine on a person?
the release of the hormone catecholamine can cause anxiety, fear, and panic.

it can also cause hair loss and breathing problems.

it increases attention and makes a person more aware of danger.

it can also cause aggressive behavior.

The answer is all of the above with the acceptation of breathing problems and hair loss.

Explanation: breathing issues and hair loss is related to Hypothyroidism.

The thyroid is unrelated to catecholamine. Catechlomaine is produced by the adrenaline gland, not the thyroid gland.

genetic variation can be caused by mutation (which can create entirely new alleles in a population), random mating, random fertilization, and recombination between homologous chromosomes during meiosis (which reshuffles alleles within an organism's offspring).

the areas around the equator