ANIMALS GROUPS

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warm-blooded
egg-laying, Vertebrate
Beak with no teeth
skeletal structure filled with hollows and air sacs
Feathers composed of keratin and other proteins for insulation. Eg. Kingfisher, Duck, owl

cold blooded
egg-laying
Vertebrate
breathe using gills
have a scaly skin
fins instead of limbs There are a few Exceptions.
- Tunas and marlins and mako sharks that are warmer than the water.
- Fish like a mudskipper or walking catfish crawl on land.
- Lungfish have lungs.
- Eels are scale-less.

cold-blooded, soft-shelled eggs
vertebrate, dry scaly skin
Scales can be hard or soft, large or small.
snakes, lizards, crocodiles, turtles, and tortoises There are a few Exceptions.
- Snakes are legless reptiles; Turtles are reptiles with a big shell to protect them.

warm-blooded
Give Birth to Young Ones
vertebrate
Possess hair or fur
females secrete milk to nourish young ones
They are most intelligent among all animals.
Humans, dogs, whales, elephants, horses, Bats, Dolphins There are a few Exceptions.
- Mammals have teeth with the exception of the ant eater which doesn’t have any teeth.
- A few mammals lay eggs like platypus and the long-nosed spiny anteater.

cold-blooded
egg-laying
Vertebrate
When they hatch from their eggs, amphibians have gills so they can breathe in the water.
Later, their bodies change, growing legs and lungs enabling them to live on the land
first part of their lives in the water and the last part on the land
frogs, toads, newts, salamanders, and caecilians

cold-blooded
egg-laying
Invertebrates
Their bodies are made up of three sections called the head, the thorax, and abdomen.
All insects will have a pair of antennae on their head.
All have six legs connected to the thorax
Young insects are called nymphs/caterpillars. As insects grow, they get a new hard outer covering by getting rid of the old covering and growing a new one called molting.
Butterfly, dragon fly, Cockroach There are a few Exceptions.
- Arachnids will have eight legs.

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