Video Lessons for Students

We’ll begin this lecture by talking about the reasons why we classify animals and plants.   We’ll be particularly interested in classifying animals. &nbs...

In this lesson, we’re going to discuss some of the methods that scientist use to name and identify species. We’ll begin with a brief review of the hierarchical cla...

In this video, we’re going to talk about food chains.  Food chains show the ways in which organisms in a habitat feed: who produces food, and who eats who.  For exa...

In this video lesson, we’re going to talk some more about ecology.  In particular, we’re interested in the relationships between organisms within ecosystems. ...

In this lesson, we’re going to talk some more about ecosystems and food chains.  In particular, we’ll be interested in the feeding or trophic levels of food chains...

There are many different ways in which humans can affect the habitats of plants and animals.  In this lesson, we’re going to talk about the effects of various human acti...

In this lesson, we’re going to talk about food webs.  Food webs are made up of a number of different food chains, connected together.  You might remember that a foo...

In this lesson we’re going to look at how the organisms of an ecosystem effect each other.  What happens to the other organisms if the environment changes, and some orga...

In this lesson we’re going to talk about natural resources.  Natural resources are materials or substances that occur in nature, and that people can use.  There are...

In this lesson, we’re going to talk some more about renewable and non-renewable energy resources, how we use them and how we can conserve them.