#Question id: 10842
#Section 2: Evolution
The number of species in a community is referred to as the
#Question id: 10754
#Section 1: Ecology
Following is different type of interaction was shown in figure. (+: Benefit , - Harm , 0= Neither benefit nor harm) What is interaction between column A & B in each schematic?
#Question id: 3467
#Section 2: Evolution
Which one of the following statements is INCORRECT?
#Question id: 10655
#Section 1: Ecology
Which of the following statements about the evolution of life histories is correct?
A) Unstable environments with unlimited resources favor r-selected populations.
B) K-selected populations are most often found in environments where density-independent factors are important regulators of population size.
C) Most populations have both r- and K-selected characteristics that vary under different environmental conditions.
D) The reproductive efforts of r-selected populations are directed at producing just a few offspring with good competitive abilities.
#Question id: 3425
#Section 2: Evolution
Many evolutionary forces are operating in population. In study, within population increase genetic variation due to -----A-----while decrease genetic variation due to ------B-----. Between populations increase genetic variation due to -----C-----while decrease genetic variation due to ------D-----.