Hydra Catches a Water Flea

How does an animal like a hydra catch its food?

Should You Pee on a Jellyfish Sting?

How should you treat a jellyfish sting?

How Dangerous is Box Jelly Venom?

How Does a Sponge Eat?

Why are sponges called filter feeders?

Enjoy the video! but read the caption below too.

Notice that "the clap" spreads just like a population grow.  It starts with one, then doubles, then doubles again.  Hmm…What kind of growth is that?

Wolves - watch the video and answer the prompts

1. What is the problem?
2. Why is is happening?
3. What is its impact?
4. What can be done or is being done?
5. How does it impact society? me?

See the picture below:

Beavers - a Keystone Species

Watch Leave it to Beavers. Answer the following prompts:

A keystone species is a species on which other species in an ecosystem largely depend, such that if it were removed the ecosystem would change drastically.

1. Why is the beaver a keystone species?

2. Why is the beaver an import animal to humans?

3. What would you do to manage beaver populations?