Topic: Plants & Animals

Can people have the abilities of animals?

This question brings up all kinds of interesting issues about who we are as humans and how we compare to other animals.

How do some plants grow without dirt?

The principal purpose of soil is to provide mineral nutrition for the plant.

How is spider silk made?

Spiders have silk-producing glands in their bodies, specifically in their abdomen. In these glands they have the chemical components already put together to produce silk, but it’s in a liquid form.

How many species of snakes are there?

There are more than 3,400 species of snakes worldwide, and they exist on every continent except Antarctica. We have about 50 snake species in the United States and 21 different snake species in the state of Wisconsin.

Why do hissing cockroaches hiss?

Madagascar hissing cockroaches and some of their relatives can produce an audible hissing noise that almost sounds like a cat hissing.