#Question id: 3429
#Section 2: Evolution
Which of the following is a behavioral pattern that results from a proximate cause?
#Question id: 3255
#Section 2: Evolution
The body weight of offspring of bird species is range between 12 gm to 18 gm. In a laboratory experiment, species was subjected to selection pressure having influence on the offspring body weight. After many generations of experimental selection pressure, the body weight range between 16 gm to 24 gm. Which of the following natural selection operate on this species?
#Question id: 4574
#Section 2: Evolution
Ichthyosaurs were aquatic dinosaurs. Fossils show us that they had dorsal fins and tails, as do fish, even though their closest relatives were terrestrial reptiles that had neither dorsal fins nor aquatic tails. The dorsal fins and tails of ichthyosaurs and fish are
#Question id: 8845
#Section 2: Evolution
The experimental approach taken in current biological investigations presumes that
#Question id: 11357
#Section 4: Behavioural Ecology
In the Lotka-Volterra population models for predator and prey, what is the consequence of an increased birth rate of prey?