Which type of rock you tested is most like the unknown? The unknown is actually a type of rock!

Which category contains nitrogen?

Some organisms have only Cell

Miles wants to write the equation for photosynthesis. The diagram below represents one of the molecules in the equation

How do limiting factors determine the carrying capacity of an ecosystem

What technique enables scientists to determine if this really is the body of Jimmy Hoffa

Describe how the population of the Earth increase if the number of children being born is less?

What is defined as all of the living and non-living components of a particular geographic area?

Most reptiles and all birds are, meaning that their young develop in fertilized eggs laid outside the mother's body. in contrast, most mammals are, meaning that their young develop inside the mother's body.

What is heamoglobin

In the following experiment, what is the independent variable? Dr. Honeydew would like to test the effect of chlorine on Beaker's hair color. To test this he pours heavily chlorinated pool water on the right side of Beakers head.