There are more overweight humans than animals becuase humans can easily get food than animals. Animals are getting hunted, killed for food, so that makes it less likely for other animals to get to eat if their getting killed off.
The main component of the cell membrane is a phospholipid bi-layer or sandwich. The heads (the phospho part) are polar while the tails (the lipid part) are non-polar.
Blood stream.
Once they enter that wound, it can be infected because germs ended up in the blood stream.
Answer is Biogeochemical cycles.
In an ecosystem biotic (living) abiotic (non-living) components constantly interact each other. During these interactions, there is a transfer of nutrients between living organisms and the non-living environment. Thus, there is recycling of inorganic matter between living organisms and their non-living environment. This cycling of matter is called biogeochemical cycles.
Homogeneous chromosoms pair up
