Answer:
Since you didnt give an excerpt I can't answer. But I can give you advice. Read through and see If you can find, maybe less food or a higher predator or something like that
Explanation:
Population age structure is a summary of the number of individuals of each age in the population. An example is, In 2002, 30% of the worlds population was under 15 years old. <span />
Answer:
Active transport
Explanation:
The process of transport of substances that uses energy and carrier proteins of the membrane is called active transport. Amino acids can not cross the hydrophobic core of the membrane and therefore, are transported through carrier proteins. The carrier proteins transport the amino acids using energy and the process is called active transport.
