Of All of the organisms living today, what percentage will eventually become fossils

Why is it so important not to misuse or overuse antibiotics

A food chain consists of grass, cows, and humans. If the grass field produces 86,000 kJm-2 year-1 of energy and the cows contain 18,700 kJm-2 year-1 of energy then what is the trophic efficiency? A: 5% B: 78% C: 22% D: 33%

Why are emperor penguins considered a species? a. They all look alike. b. They can mate and produce offspring that can mate. c. They can mate and produce offspring that cannot mate. d. They all walk in a similar manner.

What type of organic molecule comprises the majority of a potato? Monosaccharides Disaccharides Glycogen Polysaccharides

When food molecules combines with oxygen what is released?

What list correctly shows carbohydrates in size from smallest to largest?

How do biotic factors affect the environment?

The part of the brain where planning, language and advanced thought occur is:the hippocampus. the amygdala. the cortex. the hypothalamus.

Which best explains the difference between a ball-and-stick model of a chemical compound and a space-filling model? Ball-and-stick models can show compounds in three dimensions, but space-filling models cannot.

Which of the following are not allowed on public land?