Science Chapter 3 Grade 4

Front 1

Vertebrae

Back 1

An animal with a backbone.

Front 2

Invertebrae

Back 2

An animal without a backbone

Front 3

Symmetry

Back 3

Body parts march up around a point or central line.

Front 4

Bilateral symmetry

Back 4

Two sides they are mirror images

Front 5

Radial symmentry

Back 5

Has body parts that extend outward from a central point.

Front 6

Phylum

Back 6

Large group within a kingdom. Members have at least one characteristic in common such as a backbone

Front 7

Chitin

Back 7

Light but tough material

Front 8

Crustaceans

Back 8

Crabs, lobsters, shrimp. Kaehler for crushing food, body has sections, some live in ocean or fresh water. A few live on land.

Front 9

Chitin

Back 9

Light but tough material

Front 10

Crustaceans

Back 10

Crabs, lobsters, shrimp. Kaehler for crushing food, body has sections, some live in ocean or fresh water. A few live on land.

Front 11

Arachnids

Back 11

Spiders, mites daddy long legs, no antennae, 4 pairs of legs, up to 8 eyes, hunters, eat insects, some are poisonous some are not. Live in a wide variety of habitats

Front 12

Endoskeleton

Back 12

Echinoderms have an Internal supporting structure

Front 13

Exoskeleton

Back 13

Arthropods have a hard skeleton on the outside of their bodies called an exoskeleton

Front 14

Cold blooded

Back 14

Gets heat from outside its body.

Front 15

Warm blooded

Back 15

Birds and mammals live life in water and on land.

Front 16

Amphibian

Back 16

COld blooded vertebrae part of like in water and some on land.

Front 17

Mammal

Back 17

Warm blooded vertebrae with hair and fur, produce milk to feed young.