VERTEBRATES - 9/10

Which vertebrates are ectothermic?

• Fish & Amphibians

• Fish, Amphibians, and Birds

• Fish, Amphibians, and Reptiles

• Mammals

• Birds and Mammals

Physical characteristic of birds not shared with other vertebrates?

• They are heterotrophs

• They have feathers

• They have 2 feet

• They only live on land

Which class of vertebrates was the first (evolutionarily) to have an amniotic eggs?

• Amphibians

• Reptiles

• Birds

• Mammals

My body is constantly warm and covered in feathers. I lay eggs. What am I?

• Reptile

• Amphibian

• Mammal

• Bird

• Fish

How many chambers does a mammals’s heart have?

• 2

• 2 or 3

• 3 or 4

• 4

What do amphibians use to get oxygen?

• Gills

• Lungs

• Skin

• All of the above

My body is cold, am covered in scales, use gills to breathe under water, and I lay eggs. What am I?

• Fish

• Mammal

• Reptile

• Amphibian

• Birds

I am covered in dry scales and I lay eggs that I can bury in the sand. What am I?

• Mammal

• Fish

• Amphibian

• Reptile

• Bird

Warm-blooded and maintains a nearly constant internal body temperature.

• Endothermic

• Ectothermic

This name means “double life.”

• Chondrichthyes

• Agnatha

• Reptilia

• Amphibia

• Aneura