What is photosynthises

Your friend's parents both have heart disease. She is considering having genetic testing done so she can see what changes she might be able to make to reduce her risk of developing it as well.

How do plants grow without soil

A patient is suffering from pain in the right hypochondriac region of the body. which organs might be located in this region?

Artificial selection has the greatest impact on society by providing which of the following? More effcient energy Reduced air pollution Improved food sources Increased gas mileage

In multicellular organisms, the cell cycle produces groups of cells that perform the same function. What are these groups called?

The role of an organism in the ecosystem is called its A. niche B. habitat C. species D. environment

Which condition will increase the rate of chemical reaction?

Why does DNA has an overall negative charge?

Malfunctions of the mitochondria can cause a number of disorders. Which statement best explains how mitochondrial problems can affect an organism?

Why are gasses Poor conductors of heat?