Q: Niche and habitat are concepts related to what broader term? Choices: - population - biome - community - ecosystem A:
ecosystem

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: 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: Q: What is speed at any given instant called? Choices: - spontaneous speed - marginal speed - relative speed - instantaneous speed A:
Answer: instantaneous speed

*Question*
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*
Q: What plays a variety of important roles in biochemical systems? Choices: - mutation - reactants - bacteria - protein A:
**Answer**
protein