Related Questions

    1.

    Which of the following example of variation is not important from an evolutionary standpoint?

    A

    Genetic differences between individual organisms comprising the population

    B

    Inherited difference between individual organisms comprising the population

    C

    Both (a) and (b)

    D

    Difference due to diet, health, age and accident that have no affect on an individualโ€™s ability to survive and reproduce

    Question Tags

    3.

    The evolution of insecticide resistance in insect populations is often cited as an example of natural selection. However, a counter-argument proposes that resistance pre-exists in a few individuals and simply becomes more frequent. Which observation MOST strongly refutes this counter-argument and supports the role of natural selection?

    A

    Insecticide resistance develops more rapidly in populations with high reproductive rates.

    B

    Resistant insects often exhibit reduced fitness in the absence of the insecticide.

    C

    The specific resistance mechanism, often a change in a target enzyme, arises independently in geographically separated populations exposed to the same insecticide.

    D

    The frequency of resistant insects decreases when insecticide application is stopped.

    Question Tags

    4.

    Evolutionary convergence is the development of

    A

    Common set of characters in closely related groups

    B

    Common set of characters in the group of different ancestry

    C

    Random mating

    D

    Dissimilar characters in the closely related groups

    Question Tags

    10.

    Which set includes only analogous organs?

    A

    Wings of butterfly, housefly and bat

    B

    Hindlegs of horse, grasshopper and bat

    C

    Wings of butterfly and wings pad of bat and birds

    D

    Mandibles of cockroach, mosquito and honeybee

    Question Tags

    company logo