Choose the answer below that correctly matches the vertebrate with its structural characteristics.

• fish: ectothermic, have scales, breathe with lungs
• bird:  ectothermic, have feathers, breathe with lungs
• mammals: endothermic, have fur or hair, breathe with lungs
• reptile: ectothermic, have smooth moist skin, breathe with gills

What survival stimulus makes an animal thirsty?  The need for

• food
• mating
• sleep.
• water.

 Which is an example of a learned behavior?

• A baby is crying because she is hungry.
• A flock of birds is flying south for the winter.
• A boy is blinking as wind blows dust swirls around him.
• Three raccoons are tipping over a trash can to obtain food.

 Which of the following animals is in the vertebrate phylum?

• butterfly
• octopus
• snake
• worm

 Zebras are found in large groups in the wild. What is most likely the reason for zebras to create a herd by grouping together?

• They need to stay close to one another to stay warm.
• All the zebras are mothers and are raising their young together.
• They confuse predators by making them think the herd is a large animal.
• There is only one large male in the group and he is the protector of the herd.

Flexible jaws, tentacles, and filtering structures are all examples of structures for animals to do which of the following?

• move
• breathe
• obtain resources
• defend themselves

Which is an advantage that endothermic animals have over ectothermic animals?

• Endothermic animals have smaller bodies than ectothermic animals
• Endothermic animals require less energy to survive than ectothermic animals
• Endothermic animals can survive longer periods without food than ectothermic animals
• Endothermic animals remain more active in cold environments than ectothermic animals

The purpose of courtship behavior in animals is to

• provide animals a time to rest
• allow animals to attract a mate
• protect animals from predators.
• give animals the ability to feed themselves

Which of the following is an internal stimulus?

• breathing
• movement
• sleepiness
• warmth

Fish have an inherited behavior to swim because they do not need to be taught. Which of the following is also an example of an inherited behavior?

• The classroom rabbit is using a litter box
• Your dog is barking to go to the restroom
• A young bird is building a nest perfectly on the first try
• Students in a classroom are raising their hands to answer a question