Soft Selection vs Hard Selection

Question 1

Soft Selection
a. Occurs when the number of survivors in a path of particular ___environment is determined by __ for a limiting factor
b. more likely to produce a multiple __ polymorphism
c. The ___ more fit genotype has a higher probability of ___
EX. SEEDCRACKERS

Answer 1

a. micro, competition
b. niche
c. relatively, survival

Question 2

Hard Selection: Likelihood of an individual in a microenvironment depends on its ___ fitness, not the __ of competitors

Answer 2

absolute, density

Question 3

Antagonistic Selection: a source of selection opposes another source of selection on a ___
CAN BE DUE TO:
a. temporal fluctuation: fluctuating __ favor different genotypes across generations
b. Spatial variation: different genotypes are best adapted to different ___ or resources

Answer 3

trait

a. environments
b. microhabitats