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Ecology is the science of __________.
How organisms interact with each other and their environment.
The word ‘ecology’ comes from the Greek word __________, meaning home or place to live.
oikos
Ecology is the science of the distribution and __________ of species.
abundance
Interactions between organisms and their environment give rise to __________.
natural selection
Nothing in evolution makes sense except in the light of __________.
ecology
An ecological __________ is all the species living together in one place at one time.
community
A __________ is all the individuals of the same species in one place at one time.
population
Many species (over __________%) are still unknown to science.
85
Globally, one estimate suggests there are about __________ million eukaryotic species.
8.7
The sixth extinction is primarily a result of __________ activities.
human
Factors that limit a species’ range include __________, climatic conditions, and food resources.
dispersal
Malthus argued that the size of a population cannot grow faster than the __________ that support it.
resources