The movement of energy through an ecosystem is best described as a A. food web. B. trophic level. C. food chain. D. cycle diagram.

At what minimum temperature should hot tcs food be held

An ocean chain is shown below which organisms is a tertiary consumers

Which type of plant only lives about a year

Which of the following distinguished living things from nonliving things? A. living things are made up of cells nonliving things are not. B. living things are made up of atoms non-living things are not. C.

What is lactase used for? A. It is used to make sugar-free milk. B. It hydrolyses lactose to glucose and fructose. C. It improves the digestion of milk by some people. D. It decreases the acidity of the milk.

Describe how chromosomes and genes are related

During formation of a peptide linkage what is formed?

Can the hypothalamus gland repair itself?

Approximately how many genes are found on chromosome 11?

What does natural selection act on