Fermentation is carried out regularly, and not only during oxygen emergencies, by what organisms?

A) most animals

B) many fungi and bacteria

C) plants, during the night time

D) all organisms, all of the time

How could the Urey-Miller experiment be changed to accurately reflect our knowledge of the conditions of early Earth?

Cancer-- Why do normal cells divide?

Which two characteristics are shared by seedless vascular plants and nonvascular plants? They both have xylem and true stems. They both have true stems and use spores to reproduce. They both live in moist environments and have xylem.

Select all that apply to paramecia. Paramecia have a small nucleus and a large nucleus. Paramecia only reproduce by asexual reproduction. Paramecia only reproduce by conjugation which is sexual reproduction. Paramecia have cilia.

The main functions of the large intestine are: (1) digestion of food (2) reabsorption of fluids (3) elimination of waste products

Which of the following macromolecules a the main quick energy sources for cells? are A lipids B carbohydrates C nucleic acids D proteins

5. What is the proposed ultimate result of global warming? an ice age increased shark attacks volcanic activity Hurricanes

The ability of the body to undergo prolonged whole body, large muscle activity is:

For each event or condition described below, match the correct answer to the following questions.? Populations evolve for many reasons.

What is biological science?