Which of the earth's spheres contains its plants and animals? atmosphere biosphere hydrosphere lithosphere?

What's the structure of carbohydrates (monomers)

Which of the following is NOT a function of the digestive system? A. ingestion of food B. digestion of food C. absorption of food D. elimination of digestible wastes E. elimination of nondigestible waste

Which scientist (s) suggested for the first time that the proportion of adenine and guanine differs from one species to another?

How are organisms named Linnaean taxonomy

The small, circular loops of DNA in prokaryotic cells that are separate from the main chromosome and may carry genes are called a plasmids. b cristae. c pili. d ribosomes.

What organelle carries out photosynthesis

Which of the following elements can be found in all lipids? A) Oxygen B) Sulfur C) carbon D) Hydrogen E) Nitrogen

When a bird eats a small insect it can be considered a secondary consumer but what is the bird considered as when it eats seeds?

Desert animals, such as the kangaroo rat, need to conserve water. These animals have larger kidneys than do animals that live in moist environments and thus need not conserve water.

What is the function of a nucleus in a cell the nucleus A. controlls the cells activity B. the nucleus identifies the cell as belonging to a plant C. the nucleus determines what substances enter and leave the cell D.