The answer is A, Viruses
Viruses cannot reproduce on their own , so they have to inject their DNA or RNA into the nucleuus of a cell. By doing this, the virus will take over that cells and within times, that cells will pop up and producing more viruses.
This reproduced virus will repeat the same process until our immune systems stop them
There are three populations
you= 1 population
dog= 1 population
Cat= 1 population
total =3 populations.
Answer:
To convert solar energy into chemical energy and then store the chemical energy for future use.
Explanation:
Answer:
B
Explanation:
A tiger strength and speed is not an example of selective breeding.
The correct option is B.
Mitochondria is one of the membrane bound organelles that is found in living cells. It is called the power house of the cell because it is responsible for providing energy for the life sustaining activities of the cells. Mitochondria possesses an outer membrane and a highly convoluted inner membranes.The convoluted portion of the mitochondria provides a large surface area for the occurrence of biochemical reactions<span />
