Answer: <em>The Bottleneck Effect</em>
Explanation:
A Bottleneck effect is the sharp reduction of numbers of a population through environmental effects or human activity. It causes a loss of the genetic pool and its variety; genetic variation lowers and increases with time as random mutations occur.
Answer:
the procedure aims to replace the stem cells in the bone marrow the source of new red blood cells with healthy stem cells from a matching donor
She would find oxygen (O2) in the test tube because plants give off oxygen
Answer:
pets can help boost your mood
Explanation:
if you do not have any pets you could have slight depression if there is no one to cheer you up such as your companion
Answer:
C .they take up the usable forms of nitrogen found in the soil .
Explanation:
