Ch 15 QUIZ #3 practice

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1 point

Which one of the following is a density – independent factor?

natural disasters (like fire, flood, tornadoes)

amount of oxygen in the water

food

space

1 point

Stabilization phase in a population happens when

when all the resources are gone

the lag phase finishes

the population reaches its carrying capacity

no new babies are born

1 point

A period of slow growth

exponential

stabilization

lag

carrying capacity

1 point

Which is NOT a limiting factor of a population?

how many mates their are

amount of space available

amount of food available

speed of each animal

1 point

Zero population growth is when

the population is not having any more babies

the population is not having any deaths

when the population dies out due to diseases

there is no growth because the births equal the deaths

1 point

Things that stop a population from growing unlimited

competition

limiting factors

producers

limited resources

1 point

What phase is in the S curve that is not in the J curve?

exponential

stabilization

they all are on a J-curve

lag

1 point

The maximum number that the environment can support

habitat

zero population growth

carrying capacity

limiting factors

1 point

Which one of these are NOT TRUE

in 2050, everyone will die because we are overpopulated

the earth has a carrying capacity of around 14 billion

China and India have the most people

The earth has around 7.2 billion people on it

10.

1 point

What phase is the human population in now?

lag

stabilization

neither of these

exponential

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