Answer:
<em>This is an example of natural selection (adaptation).</em>
Explanation:
Natural selection tends to favor those organisms which are better adapted to live in an environment.
As tortoises having flat shell and long neck were better adapted to live in barren area, hence through natural selection those organisms were favored in such an ecosystem.
As tortoises that lived on the vegetative lands were more adapted to live in such an ecosystem, hence through natural ecosystem these organisms were favored and increased in numbers.
Yes it does, they are everywhere
Body parts supplied by vein or artery.
a.) Hepatic artery - liver
b.) Carotid artery - Brain, neck, and face.
c.) Thoracic aorta - Thorax
d.) Aorta - the Main artery supplies blood to down parts of the body from the heart.
e.) Cranial vena cava - Cranium
f.) Caudal vena cava - Tail.
Our<span> genetic predispositions and </span>our<span> surrounding environments interact. </span>Evolutionary psychologists<span> seek to understand how </span>our<span> traits and </span>behavior tendencies<span> are shaped by </span>natural selection<span>, as genetic variations increasing the odds of reproducing and surviving are most likely to be passed on to future generations.</span>