the first value that biosphere provides is genetics which provides variety of genes in population. the second value that biosphere provides is species which is an abundance of each species in a biological community. the last value the biosphere provides is the ecosystem with variety of ecosystems that are present in the biosphere.
There are three major types of blood vessels: the arteries, which carry the blood away from the heart; thecapillaries, which enable the actual exchange of water and chemicals between the blood and the tissues; and the veins, which carry blood from the capillaries back toward the heart.
Answer:
The humoral immune response involves mainly B cells and takes place in blood and lymph.
Explanation:
Answer:
22. is a
23. is b
Explanation:
carbohydrates are made up of carbon, hydrogen, and oxygen
hope this helps :) have a nice day !!
**please let me know if this was wrong**
