This is known as a series of bones that runs down the back of some animals.
What is a backbone?
100
Animals that have backbones are called this.
What are vertebrates?
100
These are known as animals that do not have backbones.
What are invertebrates?
100
These invertebrates have soft, tube shaped bodies with no eyes, legs, or shells. They can live in water, soil, or even inside other animals.
What are worms?
100
These are known as arm-like parts that sea stars use to capture their food.
What are tentacles?
200
These vertebrates can have hair or fur and produce milk for their young.
What are mammals?
200
These vertebrates have feathers, wings, lungs and two feet.
What are birds?
200
Thes invertebrates are full of holes, move very little and filter tiny bits of food from the water.
What are sponges?
200
These invertebrates are underwater animals that have soft bodies. Some of them have a hard outer skeleton. They have mouths and arm-like parts.
What corals and jellies?
200
This is the only group of vertebrate that does not hatch from an egg.
What is the mammal group?
300
These vertebrates have dry, scaly skin and lay their eggs on land.
What are reptiles?
300
These vertebrates live in water, and most are covered with scales with slime.
What are fish?
300
These invertebrates have spiny outer coverings. They do not have heads, but they do have mouths. They move and capture food by using tiny suction cups called tube feet.
What sea stars and sea urchins?
300
Snails, squid, clams, octopus, oysters, and scallops belong to this group of soft bodied animals.
What is the snail and squid group?
300
This is the percentage of animals that are invertebrates.
What is 90%?
400
These vertebrates start their lives in water, but live on land as adults.
What are amphibians?
400
These are two animal groups that are born with gills.
What are fish and amphibians?
400
This is a special group of invertebrates that have jointed legs, two or more body sections and a hard outer covering.
What are arthropods?
400
This is known as a hard outer covering that protects some animals.
What is an exoskeleton?
400
Snails, squid, scallops, clams, and oysters are also known as these.
What are mollusks?
500
These are two types of animals that are considered amphibians.
What are frogs and salamanders?
500
These groups of vertebrates breathe their whole life through lungs.
What are mammals, reptiles, and birds?
500
This is the largest group of arthropods. These insects have six legs, three body sections, and may or may not have wings.
What are ants and butterflies?
500
This invertebrate that belongs to the arthropod group has eight legs and two body sections.
What is a spider?
500
These arthropods have segmented bodies with one pair of legs on each segment.