#Question id: 9181
#Unit 9. Diversity of Life Forms
Turnover of water in temperate lakes during the spring and fall is caused by which of the following?
#Question id: 9182
#Unit 9. Diversity of Life Forms
Imagine that a deep temperate zone lake did not turn over during the spring and fall seasons. Based on the physical and biological properties of limnetic ecosystems, what would be the difference from normal seasonal turnover?
#Question id: 9183
#Unit 9. Diversity of Life Forms
If you are interested in observing a relatively simple community structure in a clear water lake, you would do well to choose diving into ________.
#Question id: 9184
#Unit 9. Diversity of Life Forms
Which aquatic biome listed here is one of the most productive on Earth, and why?
#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?
#Question id: 9186
#Unit 9. Diversity of Life Forms
A pathogenic fungus invades a plant. What does the infected plant produce in response to the attack?