Corals are made up of tiny animals known as polyps. Each of the polyps has a skeleton cup, tentacles with stinging cells, a mouth and a stomach. Algae grow in the stomach lining and supply calcium which the polyp uses to build the skeleton cup. Here's a neat model of a coral polyp your students can make.
Chewing lice are not as common as fleas and ticks, but just as itchy and annoying. Learn about the different types of lice out there and how to protect your pets. While lice may not be as common as fleas, they can still cause aggravation in some animals, especially animals who are very young, old, or sick. There are two types of lice that affect cats and dogs: sucking lice (which suck blood) and chewing lice. Chewing lice are tiny, flat, wingless insects that feed on the dead skin of pets.
Lice and their eggs are transmitted via direct contact. However, they can also be transmitted through the use of combs, brushes and other cat grooming tools that were not washed properly between uses. When lice infest a cat, they can typically be found on the neck, tail or head.At first, lice may look like dandruff. But after looking at the speck closely, you'll see that it's tan in color with dark spots, and is moving. The main identifying factor of lice on a cat is the triangular shape of its head.hen lice infest a cat, they can typically be found on the neck, tail or head. At first, lice may look like dandruff. But after looking at the speck closely, you'll see that it's tan in color with dark spots, and is moving.