#Question id: 3469
#Section 2: Evolution
Individual A is cousin of B individual? During altruistic act A individuals get benefitted from B individual is 80. What is at least value of cost scarified by individuals A?
#Question id: 9186
#Section 2: Evolution
A pathogenic fungus invades a plant. What does the infected plant produce in response to the attack?
#Question id: 4606
#Section 2: Evolution
Which of the following evidence most strongly supports the common origin of all life on Earth? All organisms ________.
#Question id: 10655
#Section 2: Evolution
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: 11770
#Section 2: Evolution
Natural selection in an animal population results in narrowing of the range of phenotypic variation but no change in the average phenotype. What kind of selection is this population experiencing?