Classify animals as vertebrates or invertebrates and into the five vertebrate groups, using body features. There are 4 sheets here: vocabulary match, fill in the blanks, true or false and vertebrate or invertebrate?. Pick one from the tray, print it, and add its answer key as a second page if you want one.
Worksheets
NameDate
Animal classification vocabulary
Write the letter of the matching meaning next to each word.
WordMeaning
vertebrate
invertebrate
mammal
fish
bird
amphibian
reptile
arthropod
Aanimal without a backbone
Banimal with a backbone
Cwarm-blooded, hair, feeds young milk
Dscales, cold-blooded, breathes air
Efeathers, wings, lays eggs
Fmoist skin, starts life in water
Ginvertebrate with jointed legs
Hgills, fins, lives in water
Using these sheets
The answer key matches the sheet on screen, including after you make new problems.
Sheets print on US Letter paper. On A4, choose “Fit to printable area” in the print dialog.
Questions
What grade are these animal classification worksheets for?
They suit grades 3 to 6. Each sheet in the tray practices it a different way, so you can pick the one that fits.
Is there an answer key?
Yes. Tick “add the answer key as page 2” before printing, or turn on Answer key to check work on screen.
Do I need an account to print?
No. The sheets print straight from this page, free, with no sign-up.