Plants use energy from the sun to produce carbon dioxide and sugars.
a. true
b. false

Development of new communities in disturbed environments, such as a burned or a clear cut forest, is called

What property of water provides for appropriate sugar, salt, and amino acid levels to be present and carried in the blood of animals to be delivered to cells

Body temperature is tightly regulated in mammals for example when external temperatures drop too much the body of a mammal response by in order to it's core temperature.