click below
click below
Normal Size Small Size show me how
Casteel Vertebrates
Vertebrates
Term | Definition |
---|---|
__________ are animals with a backbone. | vertebrates |
Less than _____ % of animals are classified as vertebrates. | five |
Fish live in ________________. | water |
Fish have ____________ to take in Oxygen from water. | gills |
Fish reproduce using __________________ eggs. | jellylike |
Fish have ______________ on their skin. | scales |
_________________ have smooth skin. | amphibians |
Amphibians spend part of their life in water and part on _________. | land |
Amphibians and reptiles have _____________ heart chambers. | three |
Reptiles have ___________ skin. - | scaly |
Most ______________ live on land, but some live in water. | reptiles |
_________% of vertebrates are reptiles. | fourteen |
Reptiles reproduce by laying _______________ eggs. | leathery |
___________ are vertebrates that have hair or fur on their bodies for a skin covering. | Mammals |
Mammals drink ________________ from their mother's body. | milk |
____________ are vertebrates with feathers and wings. | birds |
Most birds can ____________. | fly |
Birds reproduce by laying ___________-shelled eggs. | hard |