Why is 100 alcohol not an effective disinfectant as 70 percent?

Why do amphibians live near water? a. to prevent drying out and as a food source b. to prevent drying out and to lay their eggs c. to prevent dring out and to have water d. to prevent drying out and to be close to flora for protection

Which two important chemical processes are basically the opposite of each other? photosynthesis and decomposition photosyntheis and cellular respiration combustion and cellular respiration combustion and compaction

Due to the importance of agriculture in Virginia's economy, it is imperative that what natural resource must be conserved?

I'm thinking of becoming a vegan unfortunately im a cannibal does that count?

Primary producers generally form the smallest trophic level of a pyramid of energy true or false

A species of cleaner fish removes parasites from another species of fish that is much bigger in size. The big fish keeps cleaner fish predators away. This type of species interaction is classified as: A.) Mutualism B.) Competition C.) Neutralism D.

Which characteristics make estuaries productive ecosystems?

Kayla has a cat with blue eyes. The color of her cat's eyes is determined by DNA. The DNA directs which substance to construct these eyes? A. lipids B. water C. proteins D. carbohydrates

The modern synthesis refers to: a. the combination of anthropology and biology b. the combination of modern genetics and Darwinism. c. the combination of modern anthropology with animal behavior d.

Is the pattern on a butterfly's wing unique to each?