What is needed for most chemical reactions and makes up 70% of cells

Which of the following requires minerals for proper functioning metabolism cells and tissues nerves and muscles all of the above

Explain how the fetal pig exchanges oxygen and carbon dioxide with its environment.

As global temperatures increase, sea levels rise. Which of the following is a way that rising sea levels negatively impact marine biodiversity? A.) Fewer tropical storms and severe weather B.) Less oxygen levels at various depths C.

A knight pushes a boulder for 15m using a force of 200N. How much energy did the knight transfer?

The Earth consists of a variety of different organisms. Despite their diversity, however, some similarities on the structural and metabolic levels may be seen. These similarities can be attributed to A. similarities in organisms' habitats and niches.

In what types of living things must groups of cells work together? a multicellular life b viruses c unicellular life d bacteria

How can Keeping track of what food you have prevent habitat destruction

Explain how consumers affect which goods and services are produced.

20. A child has type A blood. What are ALL the possible blood types of its parents? Show each cross to prove that it is possible.

What would happen if one of the chromosomes failed to split at the end of metaphase