Answer:
because the frog is not really persons that the reasons why frog less the circulatory sysyem
Answer:
2) End Triassic
Explanation:
End Triassic extinction occurred 201 million years ago. It was caused by the rifting of super continent Pangea. Pangea started to break and drift apart. When North america started to separate from Africa, volcanic activity increased. Lava and a large amount of gas was released into the atmosphere specially carbon dioxide. This led to global warming like condition which ultimately caused extinction of a large number of species.
Answer:
Disadvantages.
Explanation:
A big disadvantage of sexual reproduction is that the process is much slower than asexual reproduction. For starters, the cell division, which is meiosis, is more complex and has more stages than mitosis.
Answer:
Ambitious
If your body lacks enzymes that break down
carbohydrates, it would be unable to get sugar molecules for energy production.
If you lacked the enzyme to digest proteins, you may not absorb enough amino
acids.
The digestive system in our body changes
carbohydrates into glucose; also known as blood sugar to be use as an important
source of energy. Meanwhile, amino acids are organic compounds that combine to
form proteins, which are the building blocks of life.
