Curated OER
Populations : Biotic Potential
Why do most populations remain stable over time? Usually it is a result of either environmental resistance or carrying capacity. Examine some of the factors that help stabilize animal populations, and explore some of the changes that...
Khan Academy
Species
How are living organisms grouped? In this eight-minute video clip, the system of grouping them according to similarities and relationships is broken down straightforwardly. Sal explains the definition of species and how they must be able...
Curated OER
What is an Ecosystem?
Take a brief look at the Florida Everglades. What kinds of animal populations exist there? Use this video to help define introductory vocabulary for your unit on ecosystems, and click the links posted below the video to provide your...
Curated OER
STEMbite: Species and Breeds
Species are categories of living things. The teacher uses a box of different-flavored jellybeans to represent species, but the analogy breaks down as he defines species as two organisms that cannot produce viable offspring. He then...