Why do plants do PHOTOSYNTHESIS? A. To make food (glucose) for themselves! As a byproduct they make
oxygen that we need!
B. To make ATP (cell Energy)! Carbon dioxide and water are also
produced as byproducts!
C. To make oxygen, carbon dioxide and glucose for themselves!
D. To make carbon dioxide and water that animals can use!
It's
33 E

When should a bar graph be used? a. when there is no independent variable. b. when the independent variable is continuous and does not show a relationship to the dependent variable. c. when the independent variable is continuous and shows a causal link to the dependent variable. d. when the independent variable is composed of categories and does not show a relationship.

Which of the following birds remained ancient looking in the miocene epoch? a. crows b. owls c. grouses d. none of the above

One statements is an example of a scientific observation. another statement is an example of a scientific explanation. identify the correct statement for each category to illustrate how scientific explanations are inferred from scientific observations.