Definitions by david

reptile 

A class of cold-blooded vertebrates that includes turtles, lizards, snakes, alligators and crocodile.

Dinosaurs were reptiles.

reptile by David March 6, 2004

amphibian

A class of vertebrates that includes frogs, toads, and salamanders. Amphibians are born in the water but they grow up on land.

Frogs are amphibians.

amphibian by David March 6, 2004

vertebrate

An animal with a backbone. There are five classes of vertebrates. Mammals, reptiles, birds, fish and amphibians are the five classes of vertebrates.

Humans are vertebrates. Insects are invertebrates.

vertebrate by David March 6, 2004

insects 

Really small animals that are pests. Most insects are pests. ants, cockroaches, beetles, termites, and flies are all insects. Spiders are not insect. Spiders are arachnids.

I think their class is studying insects.

insects by David March 6, 2004

microwave oven 

A device that heats up food very fast. Often shortened to ''microwave''.

I need to pop some popcorn in my microwave oven.

microwave oven by David March 6, 2004

pizzaman 

A guy that delivers pizzas to people's houses.

Did you forget to give the pizzaman a tip.

pizzaman by David March 6, 2004

fire alarm

A very annoying thing in schools that is so darn loud and hurts people's ears when it goes off. They make fire alarms so loud and annoying.

There was a fire drill and that loud annoying fire alarm went off.

fire alarm by David March 6, 2004