Air contains carbon dioxide, nitrogen, noble gases, oxygen and water vapour. Give three differences between the composition of the air Jasmine breathed in and the air she breathed out.

For each of the following, decide whether the statement describes photosynthesis, cellular respiration, or both. releases energy in the form of atp. stores energy in glucose molecules. performed by producers. performed by consumers.

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

Which of the following was not a major animal on land during the carboniferous period? amphibians insects both a and b none of the above