#Question id: 1662
#Unit 4. Cell Communication and Cell Signaling
What is the approximate number of D segment genes in the immunoglobulin heavy chain gene locus?
#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?
#Question id: 3494
#Unit 11. Evolution and Behavior
Which of the following is a disadvantage of group living for many species?
a. Competition between individuals for resources is increased
b. It can reduce predator success
c. It can reduce reproductive success
d. It increased transmission of parasites and other diseases
#Question id: 18378
#Unit 12. Applied Biology
#Question id: 10747
#Unit 10. Ecological Principles
Extinction describes a loss of learning in _____________.