Answer: The main organ of the integumentary system is the skin.
Explanation: The skin regulates body temperature, keeps germs from entering your body, and produces vitamin D to help absorb calcium.
Answer:
A limiting factor is anything that constrains a population's size and slows or stops it from growing. Some examples of limiting factors are biotic, like food, mates, and competition with other organisms for resources.
Explanation:
Answer: mRNA is made in the nucleus
Explanation:
The answer is B. Population
Blastula --> early embryo with spherical shape if cells before gastrulation into germ layers
