Cold blooded animals do not use energy to maintain a high body temperature. why can eating cold-blooded animals such as fish or even insects be more sustainable than eating warm-blooded animals such as cows or pigs?

Study the diagram of a desert food chain . what would most likely happen if the kangaroo rats were killed off and removed from the food chain ?

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.

Which phase of the cell cycle ensures that identical copies of the dna are made for daughter cells?