Phylum chordata accounts for 52,000__________of vertebrates and some invertebrates on earth.

Through evolution, the first “bones” arrived when __________came to be.

With the evolution of Tetrapods, fins were replaced with limbs and a whole new body was formed.

The first tetrapods were_______________.

Frogs were the first species to develop a __________chambered heart.

The amniotic egg made it possible for life exclusively on land. The egg is encased in a ________________.

This new group living exclusively on land includes reptiles, birds, frogs and mammals.

Reptiles live only on land.

Reptiles are cold-blooded, meaning they get their heat from___________.

Birds are endotherms, meaning they __________their own heat.

Birds are the first species with a four chambered heart.

Teachers: Create FREE classroom games with your questions Click for more info!
©2007-2024 Review Game Zone | About | Privacy | Contact | Terms | Site Map