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very urgent! need help with population ecology, just help with even 1 question?

115 answers asked:


true or false
I. Density-independent growth is also known as exponential growth. ( T / F )
II. Density-independent growth can continue indefinitely in nature. ( T / F )
III. The per-capita rate of increase may change over time during density-independent
growth. ( T / F )
IV. A population that is experiencing density-independent growth levels off at the
environment’s carrying capacity. ( T / F )
2 minutes ago

Rank the following three marine zones in terms of their overall productivity
(1 = highest 2 = intermediate 3 = lowest)
Neritic _______ Oceanic _______ Intertidal _______
Explain briefly the rationale for your ranking.
2 minutes ago

Explain, with examples, the role that species interactions play during ecological
succession.
1 minute ago

1. Which processes increase a population’s size?
a. Births and deaths
b. Births and immigration
c. Deaths and immigration
d. Deaths and emigration

True or false? Factors that determine the intrinsic rate of increase of a population
include the age of breeding and the number of offspring produced each year.

Brenda

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This entry was posted on Sunday, January 25th, 2009 at 11:16 pm and is filed under Botany. You can follow any responses to this entry through the RSS 2.0 feed. You can leave a response, or trackback from your own site.

One Response to “very urgent! need help with population ecology, just help with even 1 question?”

  1. John R says:
    January 28, 2009 at 4:29 am

    Gerald

    hmm – II and IV seem opposite – which one seems more likely? How do deaths increase a population’s size? Take care of as much as you can by reasoning when you’re not sure of the answer, and then do what you can with the rest. The succession question is an interesting one – go crazy!; what have you got to lose?

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