Titan triggerfish feed on coral, which is often buried under rocks on the sea floor. to access the coral, these fish turn over rocks. it has been shown that the absence of the titan triggerfish changes the population levels of other species of fish that live in the same coral-reef environment.

smaller fish species are benefited by the titan triggerfish. the triggerfish are nether harmed or helped

the relation is commercialism

Explanation:

the corpus luteum secretes estrogens and progesterone. the latter hormone causes changes in the uterus that make it more suitable for implantation of the fertilized ovum and the nourishment of the embryo. if the egg is not fertilized, the corpus luteum becomes inactive after 10–14 days, and menstruation occurs.

i hope this : )

c. heat from the poles back down towards the equator.