#Question id: 9256
#Unit 9. Diversity of Life Forms
Which of the following areas of study focuses on the exchange of energy, organisms, and materials between ecosystems?
#Question id: 9257
#Unit 9. Diversity of Life Forms
Which lake zone would be absent in a very shallow lake?
#Question id: 9258
#Unit 9. Diversity of Life Forms
Which of the following is characteristic of most terrestrial biomes?
#Question id: 9259
#Unit 9. Diversity of Life Forms
The oceans affect the biosphere in all of the following ways except
#Question id: 9260
#Unit 9. Diversity of Life Forms
Suppose that the number of bird species is determined mainly by the number of vertical strata found in the environment. If so, in which of the following biomes would you find the greatest number of bird species?
#Question id: 9185
#Unit 9. Diversity of Life Forms
Plants are affected by an array of pathogens. Which of the following is a plant defense against disease?