About This Chapter
GRE Biology: Behavioral Ecology - Chapter Summary
Varieties of learned behaviors are just a few of the major behavioral ecology topics covered in this chapter, which helps you prepare for similar topics you'll be asked about on the test. You'll see these topics discussed in the chapter:
- The queen/worker relationship
- Reflex and kinesis
- Habituation and imprinting
- Types of animal communication
- Circadian rhythm
- The theory of demographic transition
- Costs and benefits of altruism
- How biomedical advancement influences carrying capacity
The brief and engaging video lessons can be viewed from any location with your mobile device. Each video comes with a lesson transcript that highlights key terms in bold to give you a thorough and effective review. After you are done reviewing a lesson, you can take a quick self-assessment quiz to gauge your understanding.
GRE Biology Objectives
The behavioral ecology area on the GRE Biology subject test is one of the five parts that make up the entire ecology section. The test has 190 multiple-choice questions and about 17% of them are ecology questions. The optional GRE Biology test demonstrates your mastery of biology topics and can be included in your application packet when you apply for graduate school.
1. Innate Behavior: Reflexes, Kineses and Taxes
Innate behaviors are inherited and humans and other living organisms usually engage in them without thinking. Learn about innate behaviors, including reflexes, kineses, and taxes, to better understand the relationship between stimulus and innate behavior.
2. Learned Behavior: Imprinting, Habituation and Conditioning
Learned behaviors are those that are not innate, and are formed throughout our lifetime. Take a look at the different kinds of learned behavior: conditioning, habituation, insight, and imprinting.
3. Social Behavior: The Cost-Benefit of Altruism and Kin Selection
The four main types of social behavior within groups are altruism, selfishness, cooperation and spite. In this lesson, you'll learn about the costs and benefits of social groups, the social behavior of altruism, and how kin selection relates to altruism.
4. Social Behavior: Agonistic, Dominance Hierarchies, & Territoriality
Although animals do not use words, they can still interact and communicate with one another. Discover the patterns of interaction between animals, called social behavior, with aspects such as territoriality, agonistic behaviors, and dominance hierarchies.
5. Social Systems vs. Individual Fitness: The Queen/Worker Relationship
Social systems can improve organism's individual fitness and inclusive fitness. The relationship between the worker bees and the queen is very unique social system. Explore the intricate social system of hives in today's lesson.
6. The Theory of Demographic Transition: Overview
The theory of demographic transition describes the changes in mortality, fertility and growth rates within a society. Learn about common demographic terms, understanding population pyramids and the five stages of demographic transition.
7. Carrying Capacity of a Population: Effect of Biomedical Progress
Understand the effect of biomedical progress on the carrying capacity of a population. Learn to define carrying capacity and demography, and discover how the carrying capacity of a human population works in terms of biomedical progress.
8. The Circadian Rhythm
The circadian rhythm is the biological clock that determines when you wake and go to sleep. Learn more about its definition and importance, and come to know which glands house the body's internal clock.
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