DDT was once considered a ʺsilver bulletʺ that would permanently eradicate insect pests. Today, instead, DDT is largely useless against many insects. Which of these would have been required for this pest eradication effort to be successful in the long run?

#Question id: 10643

#Section 2: Evolution

Population of ground squirrels has an annual per capita birth rate of 0.06 and an annual per capita death rate of 0.02) Estimate the number of individuals added to (or lost from) a population of 1,000 individuals in one year.

#Question id: 10644

#Section 2: Evolution

There is a species with following feature Good colonizer, reach sexual maturity rapidly, Short-lived, low investment in care for the young

Which of the following above feature showing growth pattern and survival ship curve

#Question id: 10645

#Section 2: Evolution

The logistic equation above is used to describe the rate of change of a population, N, with time, t, where r is the intrinsic rate of increase and K is the carrying capacity. dn/dt is isoclines when 

#Question id: 10646

#Section 2: Evolution

Four sampling unit of Area occupy by species having following number is 00, 20, 10, 20. What is abundance of that species?

#Question id: 10647

#Section 2: Evolution

Use the graph to answer the following question

In the figure, which of the following survivorship curves implies that an animal may lay many eggs, of which a regular number die each year on a logarithmic scale?

#Question id: 10648

#Section 2: Evolution

Which statements about K are correct?

I) K varies among populations.

II) K varies in space.

III) K varies in time.

IV) K is constant for any given species.