If a cross between restricted and dusky  ducks  the only progeny will be form from this cross is restricted and mallard, so what will be the genotype of parents?

#Question id: 4591

#Unit 11. Evolution and Behavior

Which of the following factors could cause a surge in population size?

#Question id: 4592

#Unit 11. Evolution and Behavior

Which of the following statements describe the effect of evolution on a population?

#Question id: 4593

#Unit 11. Evolution and Behavior

Which of Darwin's ideas had the strongest connection to his reading of Malthus's essay on human population growth?

#Question id: 4594

#Unit 11. Evolution and Behavior

Which one of the following observations did Darwin first make during his discovery of evolution?

#Question id: 4595

#Unit 11. Evolution and Behavior

Currently, two extant elephant species (X and Y) are classified in the genus Loxodonta, and a third species (Z) is placed in the genus Elephas. Thus, which statement should be true?

#Question id: 4596

#Unit 11. Evolution and Behavior

In a hypothetical environment, fishes called pike-cichlids are visual predators of large, adult algae-eating fish (in other words, they locate their prey by sight). The population of algae-eaters experiences predatory pressure from pike-cichlids. Which of the following is least likely to result in the algae-eater population in future generations?