Populations And Communities B Question Preview (ID: 14878)


Sections 1-4. TEACHERS: click here for quick copy question ID numbers.

List the four levels of ecological organization from smallest to larges
a) population, ecosystem, community, organism
b) organism, population, community, ecosystem
c) community, ecosystem, organism, population
d) ecosystem, community, population, organism

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

Counting the number of organisms in a small area and multiplying to estimate the number in a larger area is called
a) direct observation
b) mark and recapture
c) population density
d) sampling

When a jellyfish paralyzes a tiny fish with its poisonous tentacles, the fish is the
a) predator
b) prey
c) host
d) parasite

An early winter frost preventing further growth in a tomato garden is an example of
a) carrying capacity
b) a biotic factor
c) a limiting factor
d) indirect observation

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

To carry out photosynthesis, algae and plants use the abiotic factors water, sunlight, and
a) carbon dioxide
b) oxygen
c) soil
d) bacteria

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

Scientists who study how living things interact with the environment are called
a) geologist
b) environmentalists
c) ecologists
d) engineer

When the birth rate in a population is greater than the death rate, the population will generally
a) decrease
b) increase
c) stay the same
d)

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