Answer:
By looking at human embryo we can determine that it has a postanal tail.
Explanation:
Human embryo is a a process of life cycle that takes place after the fertilization. It takes 9 months for a human embryo to be fully developed. If we take a look at a human embryo, we will notice that it has a postanal tail.
Postanal tail is simply an extension of body. It is only during the embryonic stage that the postanal tail can be found. After the birth this feature cannot be found.
Answer:
enzymes are special proteins that increase the rate of a reaction by decreasing the amount of energy needed to get a reaction started
Answer:
All answers are correct.
Explanation:
Long term environmental changes can cause adaptation, migration, habitat loss, and starvation.
In a dominant cross, the chance of the dominant phenotype showing up in one of the offspring is 3/4, since the dominant genes are being shown here.