Do you think that the benefits gained by each animal in a mutualistic relationship are always equal

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

All of the following items are important to know when diagnosing an engine driveability problem except for thea. type of gasoline usedb. brand of engine oil usedc. temperature of the engine when the problem occursd. list of previous repairs