Answer:
D. geographic isolation.
Explanation:
As the Grand Canyon formed, it became a physical barrier to the mixing of squirrels from its northern and southern sides. Each squirrel population was confined to a single side. This type of separation is referred to as geographic isolation.
Explanation:
1.Hypotension most often affects young adults and children. It can occur when a person has been standing for a long time. Children usually outgrow this type of hypotension.
2.due to androgens harmones male have higher blood pressure than females.
I m unable to explain more #timgy but i i wrote all i know.. Hope this helps you..
4. needlelike compound leaves attached staggered on the branch
Answer:
greenhouse gases produce or a heat from the sun bringing about global warming
Answer:
A colony of ants is a species, C is only animals and only the biotic factors it is D living and nonliving things in a pond
Explanation: