Answer:
Scientific Name
Explanation:
Scientists use a two-namesystem called a Binomial Naming System.
They name animals and plants using the system that describes the genus and species of the organism.
The answer is B) Genetic variation
Pregnancy. the body needs to gather nd make a new set of cells to build the baby
Answer:
The average trait value changed in one direction.(In this case, larger size)
Explanation:
In evolution a natural selection can be disruptive, directional or stabilizing
In stabilizing no extreme trait is favored hence provides intermediate values .
Disruptive selection both extreme traits are favored over the intermediate trait.
Directional, the enviroment will favor the survival of one trait hence a change in direction either towards the left or the right.
In the case of swallow cliff mortality, selection favored the larger size.
