Answer:
carbon dioxide is the product of photosynthesis
Answer:
Gas exchange during respiration occurs primarily through diffusion. Gas molecules move from a region of high concentration to a region of low concentration. Blood that is low in oxygen concentration and high in carbon dioxide concentration undergoes gas exchange with air in the lungs.
Explanation:
Answer:
the total mass of organisms in a specific area or volume
Explanation:
hope this helps!!
It was developed by scientists throughout history of mankind
<span>1. Two-year old Zack has an inherited disorder in which his body cannot break down fat. He will probably die by the time he is four. Zack is most likely suffering from:
a. phenylketonuria.
</span><span>
2.
The first two weeks of a pregnancy, from conception to implantation, are known as the _____ period.
Select one:
b. germinal
3. Which of the following is TRUE of transcranial magnetic stimulation (TMS)?
a. It uses an electrical current.
4. Drive-reduction approaches to motivation are:
Select one:
c. theories suggesting that motivation stems from the desire to obtain valued external goals.
</span>
