Which term is defined as a place in the mantle where magma rises, often melting the crust above to form a volcano?

A:divergent boundary

B:convergent boundary

C:basalt spot

D:hot spot

In a cladogram' when does a group of organisms branch off

What sentence best supports the statement that hormones are involved in the regulation of homeostasis? a. the hormone erythropoeitin increases the production of red blood cells when oxygen levels are low. b. the hormone oxytocin promotes labor contractions of the uterus during childbirth. c. the hormone melatonin induces sleep and its production is slowed by exposure to light. d. the hormone cortisol suppresses the immune system and is produced when the body is under stress.

In the ocean why are the greatest amount of primary producers found in the epipelagic zone and how does that affect biodiversity