Ecology And Population: Question Preview (ID: 29145)


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Many ecosystems with similar climate and organisms are called a...
a) biosphere
b) biome
c) Earth
d) region

If the population covers a large area and moves around, which method would you use to estimate the population?
a) direct obervation
b) indirect observation
c) sampling
d) mark and recapture

All of the animals and plants on the farm are called...
a) ecosystem
b) barnyard
c) community
d) population

Which method uses a grid system to count small samples in order to estimate the population?
a) direct observation
b) indirect observation
c) sampling
d) mark and recapture

All the living and nonliving things in an area is called.....
a) environment
b) ecosystem
c) community
d) population

The Earth and its atmosphere is called....
a) the world
b) biome
c) biosphere
d) ecosystem

Which is NOT a limiting factor?
a) water
b) food
c) space
d) air

If I count the number of snake trails in an area of the desert, what method am I using?
a) direct observation
b) indirect observation
c) sampling
d) mark and recapture

What method would I use to determine the population of bugs under a rock?
a) indirect observation
b) direct observation
c) sampling
d) mark and recapture

What is it called when a group of wolves leaves the pack in search of a better place to live?
a) immigration
b) emigration
c) migration
d) vacation

When an organism immigrates, it...
a) exits the population
b) has a baby
c) builds a new nest
d) enters a new population

Barnacles attach to whales in order to get food, but they do not hurt the whale. What is this relationship?
a) competition
b) commensalism
c) mutualism
d) predation

What type of relationship occurs when a frog eats a bug?
a) predation
b) carnivorous
c) hunting
d) commensalism

What is the relationship called when both organisms benefit from their interaction?
a) competition
b) mutualism
c) predation
d) parasitism

What is the relationship when a leech attaches to a human foot?
a) mutualism
b) competition
c) predation
d) parasitism

What are 3 types of symbiosis?
a) mutualism, commensalism, and parasitism
b) predation, parasitism, and mutualism
c) competition, predation, and mutualism
d) carnivore, omnivore, herbivore

What is the relationship when two organisms are fighting over food?
a) predation
b) mutualism
c) competition
d) commensalism

If the predator population increases, what will happen to the prey population?
a) It will decline.
b) They prey will run away.
c) It will stay the same.
d) It will increase.

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