#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.
#Question id: 10649
#Section 2: Evolution
According to the logistic growth equation
A) the number of individuals added per unit time is greatest when N is one fourth of K
B) the per capita growth rate (r) increases as N approaches K
C) population growth is zero when N equals K
D) the population grows exponentially when N approaches K
#Question id: 10650
#Section 2: Evolution
Following some characteristic feature of K selected species
A. semelparity
B. Mate choice
C. Density independent mortality
D. large size of offspring
What is the above combination is correct?
#Question id: 10651
#Section 2: Evolution
Which of the following value of A, B and C in above logistic growth of hypothetical population respectively?
#Question id: 10652
#Section 2: Evolution
Which factors (limited space or overcrowding; limited food; Predators; parasite and diseased) tend to act in a density-dependent manner; Tony Sinclair (1989) many studies of density dependence in 51 populations of insects, 82 populations of large mammals, and 36 populations of small mammals and birds. Which of the following observation is most likely true?
a) Insects showed a wide variety of causes of density dependence and no one density-dependent factor was of overriding importance
b) The lesser the amount of available food, the greater the mortality of large mammals
c) Space and social interactions were more important for smaller mammals and birds, because they are more territorial