Coral reefs are large structures in the sea. A coral reef is the remains of tiny organisms. The reef is hard. Animals
use it for shelter. Some animals find food there. One type of crab helps the coral. The crab lives in the coral. It
takes tiny pieces of dirt and sediment away. By clearing the dirt, the crabs help the coral.
A: carry
B: feed
C: make
D: clean
Answers: 1
Biology, 22.06.2019 04:00, egr1387
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.
Answers: 3
Biology, 22.06.2019 14:30, shaferxspecial3737
What is a difference between systemic and pulmonary circulation? a. systemic circulation carries oxygenated blood to the lungs and pulmonary circulation carries deoxygenated blood to the body. b. systemic circulation carries deoxygenated blood to the lungs and pulmonary circulation carries oxygenated blood to the body. c. systemic circulation carries deoxygenated blood to the body and pulmonary circulation carries oxygenated blood to the lungs. d. systemic circulation carries oxygenated blood to the body and pulmonary circulation carries deoxygenated blood to the lungs.
Answers: 1
Biology, 22.06.2019 20:30, israelduran2222
The passing on of genetic traits from parents to offspring.
Answers: 3
Coral reefs are large structures in the sea. A coral reef is the remains of tiny organisms. The reef...
Mathematics, 28.03.2021 14:00
Mathematics, 28.03.2021 14:00
Social Studies, 28.03.2021 14:00
Biology, 28.03.2021 14:00
Arts, 28.03.2021 14:00
Mathematics, 28.03.2021 14:00