Question

The logistic model of population growth assumes that as population size increases, birth rates fall and death rates rise. Does this assumption reflect what is likely to happen in nature? Justify your answer.

Answer 1

@shrutipande9

Answer 2

what have u written? tell me what is ur thought process so i can add to that..:)

Answer 3

im guessing that the model doesn't reflect on what is going to happen in nature because in order for population to increase, there has to be a rise in birth and death rates to fall

Answer 4

i think what they mean is...
right now in the world the population size is already huge..right? so once the population size increases beyond the carrying capacity birth rate falls and death rate increases. right now in nature...in case of humans similar thing is happening.....

Answer 5

http://www.dummies.com/how-to/content/the-environmental-science-of-population-growth-mod.html

Answer 6

check this

Answer 7

so once the population has exceed the carrying capacity. Birth rates will have to stop and death rates have to increase to maintain what is already there?

Answer 8

HELPPPPPPPPPPPPPPPPPP

Answer 9

see once the population exceeds carrying capacity...see for eg...i have 10kgs of rice/ week...and each person must have 1kg/week to survive.i have 2 ppl....so for a few weeks it is okay...

Answer 10

then they have 3 kids....then the kids marry...so now i have 12 ppl..but only 10kg rice per week..so population has reached carrying capacity..and now i cannot provide resources..so their health is affected....poor health means people die...less reproduction

Answer 11

so birth rate falls...death rate increases

Answer 12

*3 kids marry and have 1 kid each

Answer 13

The population stabilizes at the carrying capacity, and once it hits carrying capacity, birth decreases for population to keep going

Answer 14

exactly..:)

Answer 15

oh ok thanks