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Ch 15 QUIZ #3 practice
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What phase is the human population in now?
neither of these
Which one of these are NOT TRUE
the earth has a carrying capacity of around 14 billion
The earth has around 7.2 billion people on it
in 2050, everyone will die because we are overpopulated
China and India have the most people
The maximum number that the environment can support
zero population growth
What phase is in the S curve that is not in the J curve?
they all are on a J-curve
Things that stop a population from growing unlimited
Zero population growth is when
when the population dies out due to diseases
the population is not having any more babies
the population is not having any deaths
there is no growth because the births equal the deaths
Which is NOT a limiting factor of a population?
amount of food available
amount of space available
how many mates their are
speed of each animal
A period of slow growth
Stabilization phase in a population happens when
the population reaches its carrying capacity
when all the resources are gone
no new babies are born
the lag phase finishes
Which one of the following is a density – independent factor?
amount of oxygen in the water
natural disasters (like fire, flood, tornadoes)
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