Propidium iodide-labeled cells can be identify cells within the populations are at each stage of the cell cycle.

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.

TLS Online TPP Program

#Id: 4706

#Unit 11. Evolution and Behavior

A female vampire bat will regurgitate food to an unrelated female if needed, because at other times she may be the recipient of such a meal.

TLS Online TPP Program

#Id: 9375

#Unit 11. Evolution and Behavior

Behavior is the observable response of organisms to their stimuli.

TLS Online TPP Program

#Id: 9376

#Unit 11. Evolution and Behavior

Behavior contributes to the different survival and reproduction of organisms.

TLS Online TPP Program

#Id: 9377

#Unit 11. Evolution and Behavior

Innate behavior - comes from an animal's heredity.

Instinct (nature), in which adaptation occurs over generations by selection.

TLS Online TPP Program

#Id: 9378

#Unit 11. Evolution and Behavior

Learned behaviors - which are genetically hardwired and can be performed without any prior experience or training.