Energy moves along a food chain when

A. animals drink water from a stream.

B. animals breathe air.

C. plants use the Sun's energy to make food.

20) during which phase of mitosis do the chromatids become chromosomes?; a) telophase; b) anaphase; c) prophase; d) metaphase; e) cytokinesis

Which of the following pairs does not fit the pattern shown by the other pairs? A. amino acids, protein B. fatty acids, DNA C. glucose, starch D. ribonucleotide, RNA

Why is a high use of renewable energy necessary to make hydrogen fuel an environmentally sound alternative?

Describe the contribution of biochemical evidence to clarifying some evolutionary relationships

How tall will Mt Everest be in one million years

Which of the following is the era in which we now live? Mesozoic Phanerozoic Cenozoic Paleozoic

Adenine pairs with what

Trees take carbon dioxide out of the air and convert it to oxygen, so the government funds a tree-planting initiative by offering $300 to any citizen who plants a tree.

How many cells does a unicelullar living organism have

When does a wheel and axle have a mechanical advantage greater than one?