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Ecology: Organisms and Their Environments

Ecology: Organisms and Their Environments

Ecology: Organisms and Their Environments: Niche it Out True or False

1. Why is Maximum Sustainable Yield (MSY) so difficult to measure?Carrying capacity is hard to determine.
2. Competitive interactions can have which of the following results?Primary succession
3. An aphid eats a plant. A ladybug eats the aphid. A bird eats the ladybug. A cat eats the bird. In this food chain, how would we classify the cat?Quaternary consumer
4. A niche is best described asthe first and third choices.
5. Most of the carbon in the world is found in the atmosphere and is bonded tooxygen.
6. An example of mutualism islice that receives nutrients from a dog.
7. When two species have overlapping niches, the first thing to occur iscompetition.
8. If the producers in a community convert 10,000 calories from the Sun into biomass, how many of these calories will reach the tertiary consumers?1,000
9. In the 1800s, a catastrophic volcanic eruption occurred on the island of Krakatoa, destroying all life. Ecologically, what happened first after the eruption?Small fungi and lichens began to grow.
10. An age pyramid for a particular country has a large base and tapers to a point at the top. The country is likelydeveloping.

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