Ch 25: Human and Social Biology

About This Chapter

Watch human and social biology video lessons to learn about innate behavior, demographic transition, social behavior and more. Each lesson is accompanied by a short multiple-choice quiz you can use to check your understanding of these biology topics.

Human and Social Biology

Why do we treat others the way we do? What influences how we act? Human and social biology is about examining behaviors and demographics to determine how people live together in populations. It also involves the behavior of individuals, such as reflexes and learned behaviors. In this chapter, you'll learn about:

  • Behaviors that alter how humans interact with their environment
  • Learned behaviors, such as habituation and conditioning
  • How individuals in a population interact with each other
  • The theory of demographic transition
  • The carrying capacity of a population

Video Objective
Innate Behavior: Reflexes, Kineses and Taxes Study instinctive behaviors and why they occur.
Learned Behavior: Imprinting, Habitation and Conditioning Discover forms of conditioned behavior, including some famous studies on this topic.
Social Behavior: The Cost-Benefit of Altruism and Kin Selection Explore the behaviors that define a social group.
Social Systems vs. Individual Fitness: The Queen/Worker Relationship Examine social systems and how different types of fitness play into the overall fitness of a social group.
The Theory of Demographic Transition: Overview Analyze how populations change and see how future population change is predicted.
Carrying Capacity of a Population: Effect of Biomedical Progress Learn how advances in medicine and medical procedures has led to population growth.

6 Lessons in Chapter 25: Human and Social Biology
Test your knowledge with a 30-question chapter practice test
Innate Behavior: Reflexes, Kineses and Taxes

1. Innate Behavior: Reflexes, Kineses and Taxes

When there is a loud sound, you quickly jump without thinking. This is because this reflex is an innate, or inherited, behavior. In this lesson, we will look at reflexes as well as several other types of innate behaviors.

Learned Behavior: Imprinting, Habituation and Conditioning

2. Learned Behavior: Imprinting, Habituation and Conditioning

Ever wonder why it is easier to train your dog when you give him a treat every time he does something correct? In this lesson we will take a look at conditioning as well as several other forms of learned behavior.

Social Behavior: The Cost-Benefit of Altruism and Kin Selection

3. Social Behavior: The Cost-Benefit of Altruism and Kin Selection

Ever wonder why people are more likely to help their relatives than complete strangers? Social behavior can help explain this and other actions. Let's look at the cost of certain behaviors.

Social Systems vs. Individual Fitness: The Queen/Worker Relationship

4. Social Systems vs. Individual Fitness: The Queen/Worker Relationship

The queen bee rules her hive while others take care of her needs. This form of behavior may seem odd, but it can be explained by looking into social systems and fitness.

The Theory of Demographic Transition: Overview

5. The Theory of Demographic Transition: Overview

Populations change over time. The growth or decline of a population can have an effect on the quality of life for people within that population. In this lesson, you'll learn about the theory of demographic transition, which is a model used to study and predict population changes.

Carrying Capacity of a Population: Effect of Biomedical Progress

6. Carrying Capacity of a Population: Effect of Biomedical Progress

The human population continues to grow. There are several things that contribute to this growth, including biomedical progress. In this lesson, we will look at some examples as well as what may happen if this growth continues.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
Not Taken
Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
Not Taken

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