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Animals as Living ThingsVocabularyGrade 4
An animal with a backbone is called a vertebrate.
A bird is a vertebrate.A human is a vertebrate.
Vertebrates are classified by how they control their body temperature.
Cold blooded vertebrates (fish, amphibians, and reptiles) get heat from outside the body.
Warm blooded vertebrates (birds and mammals) use energy from food to keep body temperature constant.
An animal without a backbone is called an invertebrate.
A worm is an invertebrate.An octopus is an
invertebrate.
Cnidarians are invertebrates that have poison stingers on tentacles.
Three types of cnidarians are HydraJellyfishSea anemones
Mollusks are soft bodied invertebrates.
Examples of mollusks areSnailsClamsOysters squids
Echinoderms are spiny skinned invertebrates.
Echinoderms are identified by A star designSpiny skinAn internal supporting structure called an endoskeleton.
Arthropods make up the largest invertebrate group.
Arthropods are identified by a hard skeleton on the outside of their bodies called an exoskeleton.
Examples are Arachnids
Centipedes and millipedesCrustaceansInsects
Show what you know.
What are animals with backbones, such as humans, called?
What are animals with backbones, such as humans, called?
vertebrates
What type of vertebrate gets its heat from outside its body?
What type of vertebrate gets its heat from outside its body?
Cold blooded vertebrate
What is an animal without a backbone called?
What is an animal without a backbone called?
An invertebrate
___________ are invertebrates that have poison stingers on tentacles.
Cnidarians are invertebrates that have poison stingers on tentacles.
________are soft bodied invertebrates.
Mollusks are soft bodied invertebrates.
__________ are spiny skinned invertebrates.
Echinoderms are spiny skinned invertebrates.
___________ make up the largest invertebrate group.
Arthropods make up the largest invertebrate group.
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