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Biology 20 Online
OpenStudy (anonymous):

Will give Medal! Which is true of the population shown in this graph? A. It shows the effect of overpopulation on a species. B. The number of individuals will eventually drop to zero. C. The population has increased until it reached its carrying capacity. D. There are no limiting factors to control population growth. http://static.k12.com/calms_media/media/959500_960000/959997/1/2bbe733156f6053015b98098f54ca519d711cda2/MS2_LIF_05_05_113_assessment_graph_2.jpg

OpenStudy (abhisar):

Which one do you think it is? Why or why not? It would be easier to tutor you if you explain what about the question is giving you trouble :)

OpenStudy (anonymous):

Well, I think it is C. or A. I really don't know. And I tryed to do this before and anwsered D. and it didn't work.

OpenStudy (abhisar):

No, actually D would be wrong. Because if there were no limiting factors then the graph would have been a straight line. In the given graph we can observe that the population after a certain time period has reached a stability or constant point and is not increasing further.

OpenStudy (abhisar):

Does this ring a bell to you?

OpenStudy (abhisar):

When doe this happens?

OpenStudy (anonymous):

Not really

OpenStudy (abhisar):

okay, so do you understand terms like carrying capacity and limiting factor?

OpenStudy (anonymous):

no

OpenStudy (abhisar):

The carrying capacity of a biological species in an environment is the maximum population size of the species that the environment can sustain indefinitely, given the food, habitat, water and other necessities available in the environment. This means that after a certain amount (which would be maximum), population growth will stop.

OpenStudy (anonymous):

Oh ok I see! Will you help me with some other questions?

OpenStudy (abhisar):

Did you get the correct option now?

OpenStudy (abhisar):

See the graph http://prntscr.com/5lyrir

OpenStudy (abhisar):

If you got this one, then we can proceed towards next one

OpenStudy (anonymous):

Sorry my computer is acting up. couldn't reply

OpenStudy (abhisar):

So. Did you get it?

OpenStudy (anonymous):

I got it

OpenStudy (abhisar):

Just to confirm, can you tell me what should be the correct option?

OpenStudy (anonymous):

Sure it was B

OpenStudy (abhisar):

Nopes!

OpenStudy (abhisar):

are you sure about it?

OpenStudy (anonymous):

Whaaaaaaa?????

OpenStudy (abhisar):

Number of individuals have become constant and not zero. This happened because they have reached the carrying capacity.

OpenStudy (anonymous):

Oh! Duh! I knew that! ( Not really) LOL!

OpenStudy (abhisar):

:(

OpenStudy (abhisar):

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