Answer the following question given this paragraph: 7. Compare and contrast the ecosystem concepts of niche and habitat. Q: Niche and habitat are concepts related to what broader term? Choices: - population - biome - community - ecosystem A:
ecosystem
Answer the following question given this paragraph: Q: Temporal and spatial summation at the axon hillock determines whether a neuron generates what? Choices: - hidden potential - change potential - false potential - action potential A:
action potential
Q: Answer the following question given this paragraph: A caldera forms after a massive eruption. The top of the volcano collapses, forming a basin. Q: When does a caldera form? Choices: - after a hurricane - when faults form - before an eruption - after an eruption A:
A: after an eruption
Question: Answer the following question given this paragraph: Speed may be constant, but often it varies from moment to moment. Speed at any given instant is called instantaneous speed. It is much more difficult to calculate than average speed. Q: What is speed at any given instant called? Choices: - spontaneous speed - marginal speed - relative speed - instantaneous speed A:
Answer: instantaneous speed
*Question*
Answer the following question given this paragraph: The major cause of outdoor air pollution is the burning of fossil fuels. Fossil fuels are burned in power plants, factories, motor vehicles, and home heating systems. Ranching and using chemicals such as fertilizers also cause outdoor air pollution. Erosion of soil in farm fields, mining activities, and construction sites adds dust particles to the air as well. Some specific outdoor air pollutants are described in Table below . Q: What is the major cause of outdoor air pollution? Choices: - electric lines - agricultural equipment - manufacturing industry - burning fossil fuels A:
**Answer**
burning fossil fuels
*Question*
Answer the following question given this paragraph: Proteins play a variety of important roles in biochemical systems. Some of the most common protein functions are listed below:. Q: What plays a variety of important roles in biochemical systems? Choices: - mutation - reactants - bacteria - protein A:
**Answer**
protein