Answer:
A. Increasing surface area to improve nutrient absorption between the digestive and the circulatory systems.
Explanation:
Our intestines, on the inside, are lined with the intestinal mucosa. This mucosa is not straightened, as it might seem macroscopically; it rather has this wavy appearance forming folds. Also, epithelial cells in this mucosal layer have lots of small finger-like extensions called the villi.
Folds and villi increase the contact surface between the nutrients in the lumen and mucosa, thus increasing the rate of absorption of these nutrients between the intestines and the blood vessels below the epithelium.
Answer:
Genes are a set of instructions that determine what the organism is like, its appearance, how it survives, and how it behaves in its environment. Genes are made of a substance called deoxyribonucleic acid, or DNA. They give instructions for a living being to make molecules called proteins
Answer:
Hydro generators need enough rain to fill dams for their supply of flowing water.
Wind turbines need wind to turn their blades.
Solar panels need clear skies and sunshine to get the heat needed to generate electricity.
Explanation:
I hope that is correct if not then i'm so sorry
Answer:
The factors that led to the commercial extinction of the northern cod is countries had set quotas, they set them as high as possible to protect their economies
Explanation:
The Brazilian Pepper plant was brought to Florida for decorating the yards of homes, but it has spread to Florida's wilderness.
