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Crystial exam
exam study guide
Question | Answer |
---|---|
during what period did humans alter their habitats? | hunter-gatherer, industrial revolution, and agriculture revolution |
in which country is the population likely to be increasing most rapidly? | Kenya |
why is the world's loss ofbiodiversity a source of concern? | humans depend upon other organisms for food and oxygen |
newspaper is what kind of material that becomes a polutant if allowed to accumulate more rapidly than it can decompose? | biodegradable |
which country is most likely to have either a stabilized or a slowly growing population? | mexico |
sunlight, air, forests, minerals, and water are all what? | natural resources |
residents of what kind of countries make up about 80 percent of the world's total population? | developing |
a natural material that can be replaced relatively quickly by natural processes known as what? | renewable resources |
what is said to have occured when the last member of a species dies? | extintion. |
compared to a developing nation, developed nations have what? | greater personal whealth |
what is natural selection? | process that causes the characteristics of a population to change without human control |
many angiosperms depend on animals for what? | pollinating their flowers and distributing their seeds |
what is evolution? | change in the genetic characteristics in a population from one generation to the next |