Vertebrates
Mammal
Birds
100

What is a vertebrate

An animal that has a backbone or spine

100

ewf

rgsf

100

greg

erge

200

Name one characteristic that all vertebrates share

They all have a skeleton made of bone or cartilage

200

erhfg

greg

300

How many major groups of vertebrates are there?

Five

400

What is the scientific term for animals without backbones?

Invertebrates.

500

Why are vertebrates important in ecosystems?

They play key roles in food webs and help maintain ecological balance.