This makes plants and the earth die over time.

What is Cilia

This tells the parents what traits a child will have.

When something moves it is called.

When you go higher in the sky this changes and it gets harder to breath.

This system makes the blood flow through the body.

You get these from your parents

When something is heavy or light, ______ is making is holding it doing .

This makes our atmosphere thinner and warmer. Consists of H20, Co2 and CH4.

Veins carry this to your heart.

If you have two different dominate traits it is called

What is the increase or rate of speed of something.

Exosphere, Ionosphere, mesosphere, Stratosphere, Troposphere and Thremosphere are all types of

This system helps you from not being sick all the time and consists of B-cells and T-Cells.

When cells get mutated or are not developed enough this is called

The resistance that one surface or object encounters when moving over another.
http://www.google.com/search

The long term for Chloroflorocarbons

A type of skin below the epidermis which carry's blood capillaries.

An alternate form of same gene is.