Animal kingdom
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4th
Animal kingdomAnimals are classified into 2
groups:
Vertebrates Invertebrates
Vertebrates are animals with a backbone. There are 5 groups of
vertebrates.
Mammals - warm blooded animals that have fur and are
born alive.
Birds- warm blooded animals that have feathers and lay eggs.
reptiles- cold blooded animals that have scales, and lay eggs.
Fish- cold blooded animals that have scales, gills, fins and lay
eggs.
Amphibians - cold blooded animals that have a smooth skin and can live on land or in water.
Invertebrates are animals without a backbone. There are 4 groups
of invertebrates.
Echinoderms - cold blooded animals that have bodies with rough skin and sharp spines.
Annelids - cold blooded animals that have soft bodies with
sections .
Arthropods - cold blooded animals that have jointed legs .
Invertebrates Echinoderms
Sea Star Sea Urchins
Sand Dollar Brittle Star
Bat Star Feather Star
Starfish