SCIENCE CROSSWORD

1. Animals with a backbone(spine).
Animals with no bones.
Cold-blooded animal that stays in water so it doesn't die.
Cold-blooded animals who start life in water.
Another group of animals who breathe with lungs and lay eggs with leathery shells.
Warm-blooded group of animals with feathers.
Warm-blooded group of animals which females produce milk for their young from their breast.
A method to order things into groups which was invented by Carl Linnaeus.
Another method to order things into groups which involve numbers.
These invertebrate groups have an eskoskeleton and they have a segmented body.
A type of invertebrate groups with lobsters, spiders, scorpions and more.
A type of invertebrate groups with crabs, prawns, lobsters and more.
Their are 5 groups of these and they are all to do with wildlife.
In vertebrates, their backbone is made up with lots of______.
A group of living organisms that are the same animal but do some things different.
A community of animals who always stay with each other.
Small animals which some are harmful and some are peaceful.
A liquid that can kill you; it injects into your body, and it comes from an animal.
These types of kingdoms are made from a single cell.
How many species of vertebrates are there?