Chapter 15 Question Preview (ID: 14329)


Study Guide For Chapter 15 Test. TEACHERS: click here for quick copy question ID numbers.

The population ............ is the number of invdividuals in a population.
a) density
b) size
c) niche
d) habitat

............... is a form of symbiosis that benefits one species and harms the other.
a) mutalism
b) commensalism
c) parasitism
d) organisms

A ............ is a simple way of showing how energy, in the form of food, passes from one organism to another.
a) food chain
b) carrying capacity
c) water
d) food web

Changing nitrogen gas to nitrogen in the soil is called ..............
a) energy
b) nitrogen fixation
c) biotic
d) competition

The role or job of an organism in the ecosystems is a .............
a) habitat
b) biosphere
c) niche
d) biome

............ is a very important abiotic factor and is the main compound in cell fluids.
a) air
b) soil
c) light
d) water

........... factors are the non-living factors in an enviroment.
a) symbiosis
b) abiotic
c) energy
d) biotic

........... is the study of interactions among organisms and their environment.
a) ecosystems
b) populations
c) communities
d) ecology

.......... is need for recyling matter.
a) energy
b) decomposers
c) water
d) populations

A .......... limits the number number of organisms in an environment.
a) carrying capacity
b) food chain
c) limiting factor
d) spacing

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