Calcium and phosphorus (as phosphate)
The four major classes of organic compounds are nucleic acids, lipids, carbohydrates and proteins.
The answer is D. The ribs PROTECT the lungs and the heart. They allow you to move and they store minerals such as calcium. However it is the brain and the blood vessels that regulate the body temperature not the skeletal system.
Answer:
1.autotrophs
2.both autotrophs and heterotrophs
3.heterotrophs
4.autotrophs
5.autotrophs
6.both heterotrophs and autotrophs
Explanation:
Answer:
Undergo means to experience or take part in something.
Explanation:
If you undergo something, you are undertaking it.
Also see; undergo, undergoes, undergoing, undergone, underwent.
"During metamorphosis, an animal will undergo change."
