Animal Unit Review

Which of these animals has an endoskeleton? 

• crab
• ant
• fish
• worm

Which is an example of an endothermic animal?

• whale
• alligator
• fish
• snake

Which is most likely a characteristic of endothermic animals?

• they eat more often to maintain a constant body temperature
• they must gain heat to perform activities such as sleeping or digesting food
• their body temperature changes with the environment
• they are the only types of animals with bilateral symmetry 

What are the five classifications that are given to Vertebrates?

• endotherms, ectotherms, mammals, birds, reptiles 
• land, sea, fresh water, flying, land or sea 
• endoskeletons, exoskeletons, mammals, birds, reptiles       
• fish, amphibians, reptiles, birds, mammals

Which properly identifies a list of vertebrates?

• mouse, eagle, snake, frog, crab, spider
• ant, snake, frog, crab, fish, snail
• bee, eagle, ant, spider, fish
• eagle, snake, frog, fish, mouse

Which animal will sun itself to raise its body temperature

• alligator
• dog
• horse
• fish

Which ectothermic animal breathes oxygen with gills as a tadpole and lungs as adults?

• fish
• salamanders
• lizards
• snakes

Which animal is NOT endothermic?

• 1
• 2
• 3
• 4

A group of vertebrates breathes with lungs, has a body covered with scales or plates, reproduces sexually, and lays leathery eggs.  Which group of vertebrates does this describe? 

• amphibians
• birds
• mammals
• reptiles

If an animal is being classified as an ectotherm, then this means it has…

• A skeleton on the outside of its body
• A skeleton on the inside of its body
• A body that controls its internal temperature
• A body that does not produce much internal heat