Biology

Biology, 01.08.2019 16:30, sabel1234

Imagen a disease that kill 50% of cockroaches in population. will this affect birth rate?

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Biology, 21.06.2019 17:20, Ap621765

Joe is breeding cockroaches in his dorm room. he finds that the average wing length in his population of cockroaches is 4 cm. he chooses the six cockroaches that have the largest wings; the average wing length among these selected cockroaches is 10 cm. joe interbreeds these selected cockroaches. from earlier studies, he knows that the narrow-sense heritability for wing length in his population of cockroaches is 0.6. a. calculate the selection differential and expected response to selection for wing length in these cockroaches. b. what should be the average wing length of the progeny of the selected cockroaches?

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Biology, 21.07.2019 23:00, Isactuallycarter99

Imagine a disease that kills 50% of the male roaches i a population. do you think this would affect birth rate? briefly explain. 3. if a disease instead killed 50% of females, would it likely affect birth rate? briefly explain.

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Mathematics, 04.10.2019 18:20, mayamcmillan11

The population model given in (1) in section 1.3 dp/dt \propto p or dp dt = kp (1)fails to take death into consideration; the growth rate equals the birth rate. in another model of a changing population of a community it is assumed that the rate at which the population changes is a net rate that is, the difference between the rate of births and the rate of deaths in the community. determine a model for the population p(t) if both the birth rate and the death rate are proportional to the population present at time t > 0. (assume the constants of proportionality for the birth and death rates are k1 and k2 respectively. use p for p( dt =

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Biology, 12.10.2019 00:30, toxsicity

Which of the following factors affect population size? check all that apply. (population growth) birth rate death rate immigration emigration disease competition and predation human activity natural disasters and occurrences

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Imagen a disease that kill 50% of cockroaches in population. will this affect birth rate?...

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