Why do plants have leaf hairs?

What is the first process to occur in the digestive system? what is the first process to occur in the digestive system? ingestion absorption peristalsis defecation?

A microbiologist is in the process of classifying a newly discovered organism. Its characteristics include: · eukaryotic · unicellular · has a cell wall · autotrophic Which type of organism is it most likely to be?

If a person eats hurriedly and barely choose his food before swallowing it what effect will that likely have on his stomach?

What is scientists follow when using scientific method

How might a persons current shopping habits affect the quality of the environment 100 years in the future?

Prokaryotes whose cell walls do not contain peptidogly can

Which is true regarding tolerable upper intake levels (uls) ?

Which cells quickly respond to produce antibodies on second exposure to the same antigen?

The difference in the concentration of a substance from one location to another is called a

Which statement is true about nitrogen and oxygen? A. They make up about 99.9% of the human body B. They are both used to make water molecules C. They are both made of protons, neutrons, and electrons. D. They both contain no subatomic particles