The human heart has only 4 chambers. Left and right atria and left and right ventricles.
Answer:72
Explanation:
The water is colder so you would burn more calories.
The answers you need are:
D
E
C
A
B
Answer:
base substitutions and base additions or deletions
Explanation:
there are two main types of point mutational changes: base substitutions and base additions or deletions. Base substitutions are those mutations in which one base pair substitutes for another. They, again, can be divided into two subcategories: transitions and transversions.
(I hope this helps) :)
It is important because it helps to understand the vital connections between plants and animals
