Answer: D. a genetic bottleneck
Explanation:
A genetic bottleneck also known as a population bottleneck is one that describes a sharp reduction in the size of a population caused by environmental events like in the above or caused by human activities.
The measurement of the force of gravity pulling down an object is called weight, which is basically what you see when you step on a scale.
Answer:
atmosphere -affecting the- biosphere
(I had this question a week ago.)
A. Domain
B. Phylum
C. Order
D. Family
E. Species
Think it is transmission but not entirely sure