For years, biologists called most prokaryotes "bacteria." Which statement best explains why a biologists now divide prokaryotes into two distinct categories?

If you wanted to study dolphins and porpoises, which zone would you want to investigate first? A: Intertidal B: Abyssal C: Sublittoral D: Bathyal

The two strands of a DNA double helix are held together by: A. ionic bonds. B. hydrogen bonds. C. nonpolar covalent bonds. D. polar covalent bonds. E. hydrophobic exclusions.

What happens to fungi when homeostasis is not maintained

How would soap affect the surface tension of water?

This is a quality that separates man from other living things that refers to man's superior ability to to manipulate the environment and think.

When water is absorbed from the chyme, it becomes what?

What does the theory of plate tectonics state about the earth

If there is a glucose shortage, how does the body produce energy?

Greg is testing two different types of fertilizer on his tomato plants to find the best conditions for his summer garden. He isadding different amounts of fertilizers to his plants. Then he is recording how much the plants grow for 4 weeks.

A species of birds entered a nonnative habitat and is now considered an invasive species. Whats the most likely effect his species will have on native species that share the same reaources?