52. Ecosystems
Introduction to Ecosystems
52. Ecosystems
Introduction to Ecosystems
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Practice this topic
- Multiple ChoiceWhich of the following is an ecosystem?1904views
- Multiple ChoiceThe biggest difference between the flow of energy and the flow of chemical nutrients in an ecosystem is that __________.1981views
- Multiple ChoiceIn an ecosystem, what will eventually happen to all incoming energy?2193views
- Multiple ChoiceThe main decomposers in an ecosystem are __________.1880views
- Textbook Question
Which of the following organisms is incorrectly paired with its trophic level?
a. Cyanobacterium—primary producer
b. Grasshopper—primary consumer
c. Zooplankton—primary producer
d. Fungus—detritivore
1003views - Textbook Question
What is the main global reservoir of nitrogen?
1035views - Textbook Question
Add labels to the figure that follows, which illustrates the interacting factors in a declining population that contribute to the extinction vortex.
1242views - Textbook Question
Which of these ecosystems has the lowest net primary production per square meter?
a. A salt marsh
b. An open ocean
c. A coral reef
d. A tropical rain forest
1153views