Vertebrates
Terms
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- Describe cartilage fish.
- have skeleton of cartilage, paired fins, cold-blooded, toothlike scales on skin
- What are three examples of cartilage fish?
- sharks, skates, rays
- Describe jawless fish.
- jawless, sucker-shaped mouth, cartilage skeleton, cold-blooded
- Give two examples of jawless fish.
- lampreys, hagfishes
- Give characteristics of bony fish.
- skeleton of bone, gill covers, scales, cold-blooded
- Give three examples of bony fish.
- trout, tuna, flounder
- Describe amphibians.
- most young have gills, most adults have lungs, lay eggs in water or moist ground, cold blooded.
- Give three examples of amphibians.
- frogs, salamanders, toads.
- Describe reptiles.
- dry, scaly skin, egg has tough shell, cold-blooded, well-developed lungs.
- Give three examples of reptiles.
- lizards, turtles, snakes
- Describe birds.
- feathers, wings, hollow bones, warm-blooded
- Give three examples of birds.
- hawk, ostrich, robin
- Describe mammals.
- hair at some point in life, feed milk to young, well-developed brain, warm-blooded.
- Give three examples of mammals.
- bear, kangaroo, whale
- What are vertebrates?
- animals with backbones
- What are chordates?
- the phylum whose members have a notochord, a nerve cord, and slits in their throat area at some point in their lives.
- What is an endoskeleton?
- an internal skeleton
- What is cartilage?
- a flexible strong tissue that is softer than bone
- What is an ectotherm?
- an animal whose body does not produce much internal heat.
- What is an endotherm?
- an animal whose body controls and regulates its temperature by controlling the internal heat it produces.