Answer: A
Explanation:
"That's what evolution is all about: tiny changes in organisms of a species over a huge amount of time."
The air begins to rise into the atmosphere. When air rises, it cools down and condenses into precipitation and clouds. This is why an approaching low pressure system means an increased chance for clouds, rain, or snow. It is called "low pressure" because as air rises, the air pressure is lower at the surface.
Since the aphotic zone does not recieve sunlight it relys on the photic zone for the sunlight which in terms it does penetrate.
Answer:
The exchange of biological material between tissues and blood vessels.
Explanation:
Capillaries are extensions of blood vessels but are much thinner in diameter. They are mostly found in tissue that is highly metabolic like the kidneys and liver which require high perfusion and exchange rate of metabolic molecules between tissue and blood.
