Animal Classifications

What are the two largest groups of animals classified by scientists?

• Fish and Birds

• Vertebrates and Invertebrates

• Mammals and Reptiles

• Carnivores and Herbivores

Which group of animals makes up less than five percent of all species on Earth?

• Invertebrates

• Reptiles

• Vertebrates

• Mammals

Which type of fish has a skeleton made of cartilage?

• Jawless fish

• Cartilaginous fish

• Amphibians

• Bony fish

How do fish breathe?

• With lungs

• Through their skin

• Using gills

• They don't breathe

What is a unique feature of amphibians?

• They are warm-blooded

• They lay hard-shelled eggs

• They undergo metamorphosis

• They have scales

Which animals are known for having feathers?

• Birds

• Fish

• Reptiles

• Mammals

Tags

NGSS.MS-LS4-2

What type of blood do reptiles have?

• Both warm and cold-blooded

• No blood

• Cold-blooded

• Warm-blooded

Which of the following is NOT a characteristic of birds?

• They can all fly

• They have feathers

• They lay eggs with hard shells

• They are warm-blooded

What is a common characteristic of all mammals?

• They lay eggs

• They have scales

• They have gills

• They have fur or hair

What do mammals feed their babies?

• Insects

• Milk

• Plants

• Eggs