Characteristics of Vertebrates
Classes
Classifying Vertebrates
Life Cycles
100

An animal that has a vertebral column is classified as a...

Vertebrate

100

How many classes of vertebrate are there?

There are 5 classes, but there are 7 classes if you include all the fish.

100

Which class of vertebrate absorbs oxygen by using gills?

Fish
100

Which class of animal often goes through metamorphosis?

Amphibians

200
About what percent of animal species are invertebrates?

97%

200

Which class does a lamprey belong to?

Jawless Fish

200

An animal whose body temperature remains about the same is called a...

Homeotherm

200

What are the three stages of a bird life cycle?

Egg, chick, adult

300

What part of the body carries messages to and from the brain?

Spinal Cord

300

Which class does a platypus belong to?

Mammal

300

The absorption of oxygen and the release of carbon dioxide takes place where in the body?

Lungs

300

What is a young amphibian called?

Larva

400

What do you call the skeleton of a vertebrate?

Endoskeleton

400

Which class does a loon belong to?

Birds

400

What is the reproduction of amphibians?

Jelly-like eggs in water

400

How is a tadpole different at 2 weeks than 6 weeks?

At 2 weeks, tadpoles have gills, a tail, no legs, and they only eat plants. At 6 weeks, a tadpole has lungs, back legs, and they eat plants and animals.

500

What connects the vertebrae to each other?

A tissue called cartilage

500

What are the names of the 3 classes that fish belong to?

Bony Fish

Cartilaginous Fish

Jawless Fish

500

What is the definition of a poikilotherm?

An animal whose body temperature is able to change with its surroundings.

500

What is the definition of metamorphosis?

The changing of an animal's body form during its life cycle

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