Energy web emphasizing the links that process the most energy.  Line thickness indicates the relative amount of energy flowing along a particular link.

 

TLS Online TPP Program

#Id: 4700

#Unit 11. Evolution and Behavior

In the Hymenoptera (ants, bees, and wasps), Females develop from the queen’s fertilized eggs and are diploid. Males develop from the queen’s unfertilized eggs and are haploid—their sperm are genetically identical

TLS Online TPP Program

#Id: 4701

#Unit 11. Evolution and Behavior

Each daughter receives an identical set of genes from her father, and the other half of a female’s genes come from her diploid mother.

TLS Online TPP Program

#Id: 4702

#Unit 11. Evolution and Behavior

Females are more related to their sisters (0.75) than they would be to their own offspring (0.50).

TLS Online TPP Program

#Id: 4703

#Unit 11. Evolution and Behavior

TLS Online TPP Program

#Id: 4704

#Unit 11. Evolution and Behavior

In haplodiploid organisms, males are haploid, and females are diploid. Consider the relatedness diagram shown below. Female A has a full-sister, Y, who has a daughter, B. The relatedness between A and B is ___________. 

TLS Online TPP Program

#Id: 4705

#Unit 11. Evolution and Behavior

Reciprocal altruism

Cases of altruism are known to exist between unrelated individuals. What drives this phenomenon is a “You scratch my back, I’ll scratch yours” behavior called reciprocal altruism.