Ecology Ch 1: Question Preview (ID: 26852)

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An organism's particular role in its habitat, or when and how it survives, is called its?
a) carrying capacity
b) ecosystem
c) competition
d) niche

All of the following are examples of limiting factors EXCEPT?
a) food
b) soil
c) space
d) weather conditions

A hawk builds a nest on an arm of a cactas is an example of?
a) commensalism
b) mutalism
c) parasitism
d) predation

An organism's habitat must provide all of the following EXCEPT?
a) food
b) water
c) predators
d) shelter

A population is all the members of one species living in a particular?
a) area
b) habitat
c) ecosystem
d) community

If you count 20 beetles in a garden measuring 5 square meters, the population density of the beetles is?
a) 100 beetles per square meter
b) 20 beetles per square meter
c) 5 beetles per square meter
d) 4 beetles per square meter

The place where an organism lives and that provides the things the organism needs to called its?
a) habitat
b) population
c) species
d) community

Which of the following is a biotic factor in the prairie ecosystem?
a) water
b) sunlight
c) soil
d) grass

Which of the following is an example of a population?
a) the cats and dogs in your neighborhood
b) the bushes and grass in a park
c) the rocks in a rock collection
d) the gray wolves in a forest

When a flea is living on a dog, the dog is the?
a) parasite
b) host
c) predator
d) prey

The smallest unit of ecological organization is a single?
a) population
b) community
c) organism
d) ecosystem

The struggle between organisms to survive in a habitat with limited resources is called?
a) competition
b) predation
c) symbiosis
d) parasitism

All the different populations that live together in an area make up a(n)?
a) organism
b) community
c) species
d) ecosystem

Mutalism, commensalism, and parasitism are the three types of
a) symbiotic relationships
b) predation
c) competition
d) prey adaptations

The largest population that an enviornment can support is called its?
a) limiting factor
b) birth rate
c) death rate
d) carrying capacity

The study of how things interact with each other and with their environment is called
a) ecology
b) photosynthesis
c) community
d) biotic studies

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