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. True False
2.	Competitive interactions can have which of the following results? -> Primary succession True False
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 True False
4.	A niche is best described as -> the first and third choices. True False
5.	Most of the carbon in the world is found in the atmosphere and is bonded to -> oxygen. True False
6.	An example of mutualism is -> lice that receives nutrients from a dog. True False
7.	When two species have overlapping niches, the first thing to occur is -> competition. True False
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 True False
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. True False
10.	An age pyramid for a particular country has a large base and tapers to a point at the top. The country is likely -> developing. True False

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