untitled

What is the major difference between vertebrates and invertebrates?

• Invertebrates are smaller than vertebrates.

• Invertebrates live in water and vertebrates do not.

• Invertebrates have a backbone and vertebrates do not.

• Vertebrates have a backbone and invertebrates do not.

Mammals, fish, birds, reptiles and amphibians are all ___.

• vertebrates

• invertebrates

Crabs, lobsters, and shrimp with hard exoskeletons are ___.

• vertebrates

• invertebrates

I have dry and rough skin, lay eggs, breathe with lungs, and am ectothermic (cold-blooded). What am I?

• Fish
• Mammals
• Amphibians
• Reptiles

The only group of animals that begin their lives breathing through gills in the water and as adults can live on land breathing with lungs

• amphibians
• arthropods
• mammals
• fish

Which of these vertebrates doesn't have lungs?

• birds
• reptiles
• fish
• mammals

This group feeds milk to its young.

• birds
• mammals
• fish
• reptile

Many animals in this group go through metamorphosis (bodies change as they get older).

• fish

• reptiles

• amphibians

• mammals

This vertebrate breathes through gills, lives in water, and has scales and fins.

• bird

• fish

• reptile

• mammal

Which is a characteristic of reptiles?

• They have slimy skin.
• They use lungs to breathe.
• They are invertebrates.
• They maintain a constant body temperature.