Ck 12: Life Science: 12.6 Human Population

How do we predict future population growth? Young researchers investigate various factors affecting the size of our population. As they calculate and interpret graphs to determine factors that could potentially affect increases...

The population of the US increased 300 percent in the 20th century, but the use of raw materials increased by 1,700 percent. Explore human population growth over time with a video that examines the history of why such growth has occurred...

With a human population of 7.6 billion and counting, how do we tackle the population problem? Examine the data using a video from an extensive science playlist. The resource explains why the human population began to increase rapidly,...

The total world population is predicted to pass 8 billion by 2025, which is less than 10 years from now. The video focuses on human population growth and the impact it has had and is having on our planet and other populations. It...

[Free Registration/Login may be required to access all resource tools.] For a population to be healthy, factors such as food, nutrients, water and space, must be available. Limiting factors are resources or other factors in the...

[Free Registration/Login may be required to access all resource tools.] The main chemical components of living organisms are known as organic compounds and are built around the element carbon. Living things are made up of very large...

Along came a spider, who sat down beside her. She screamed, but RJ wouldn't smash it because spiders are a limiting factor for other insects in an ecosystem. In this video, other common limiting factors for populations are listed....

[Free Registration/Login may be required to access all resource tools.] What does population growth mean? You can probably guess that it means the number of individuals in a population is increasing. The population growth rate tells you...

[Free Registration/Login may be required to access all resource tools.] The great apes are the members of the biological family Hominidae, which includes four living genera: chimpanzees, gorillas, humans, and orangutans. Learn more about...

[Free Registration/Login may be required to access all resource tools.] How do you define a living thing? What do mushrooms, daisies, cats, and bacteria have in common? All of these are living things, or organisms. It might seem hard to...