classifying animals Flashcards
Invertebrates
Has no bones at all including no backbone
Are there more vertebrates or invertebrates on earth?
Invertebrates
What are examples of vertebrates?
Tigers, dogs, Eagles and goldfish
Vertebrates
Animals with a backbone
what are backbones?
backbones are made of many small bones running down the center of an animals back
Birds
vertebrates Beak, feathers, two wings and two legs Fly Breath air with lungs lag eggs most birds feed
What type of Vertebrates are there?
- Birds
- Reptiles
- Amphibians
- Fish
- Mammals
Reptiles
- Crocodiles, turtles, and snakes
- Scaly skin that protects them
- some live on land and some in the water
- breath through lungs
- most lay eggs but some give birth to live young
Amphibians
-spend their lives part on water and part on land
-Frogs, toads, and salamanders
-most start off as an egg floating in the water
-when they hatch they look like a fish
they breath through gills
-As they get older, they grow legs and lungs and live on land
Fish
- Spend their whole life in water
- breath oxygen through their gills
- lay eggs
- most are covered in scales and a slimy coating
Mammals
-includes, mice, dogs, elephants and people!
-have hair or fur
-are born alive
-female mammals make milk for their young
-care for their young until young can find food on its own
breath with lungs
-Dolphines and whales poke thier heads out of the water to breath
exoskeletons
thin hard covering
Common groups of invertebrates
- Sponges
- Worms
- Sea stars and Urchins
- Jellies
- Arthropods
Worms
no skeleton
there are more then one million types of worms
Sea stars and Urchins
shells inside their bodies
eat through tubes on their feet
