They were ruthless killers for several causes.
That is the best I can do, this sentence is already fairly short.
Answer:
Please see below
Explanation:
The reason behind this is the phenomenon of natural selection. The deleterious mutations do not provide a survival advantage so they are selected against, which results in these type of mutations to not be passed on - rather, they eventually get eliminated from the population.
Answer:
it reduces,
Explanation:
bcos pressure decreases with altitude or heights.
Pretty sure it is D. Which makes it easier to study a group of species and find out what makes them flourish in that environment.
Blood platelets... I think are red blood cells, I know we have red and white... hmmm... hope that helps
