one is adapted to live in a hot and dry environment and one is adapted to live in a humid environment.
3. Decreased variation in the shades of red because no form of the trait is advantageous.
A) a spurt in the number of jellyfish because there will be a decreased number of turtles to feed on them
Explanation:
In the majority of cases, the extra copy of chromosome 21 comes from the mother in the egg.
In a small percentage (less than 5%) of cases, the extra copy of chromosome 21 comes from the father through the sperm.
In the remaining cases, the error occurs after fertilization, as the embryo grows.
Answer:
Both are breathing muscles
Explanation:
When rib muscles and the diaphragm contract they increase the volume of the chest cavity, increasing the air pressure outside the body, causing air to rush into the lungs to fill the vacuum created by the increase in volume.
