The Aspire science test covers material typically taught in:
A. ninth and tenth grades.
B. sixth grade.
C. seventh grade
D. eighth grade.

The personal identification number that students need to apply for federal student aid

The graph shows a trend in an ecosystem over time caused by increased pollution in the region. what can you conclude from the graph? a. there’s lower biodiversity among birds. b. there’s a higher reproductive rate among birds. c. there’s a significant decline in the number of producers. d. other types of animals were unaffected by pollution.

In this food web, which group would increase in number if snakes were eliminated? a. producers b. decomposers c. primary consumers d. secondary consumers e. tertiary consumers