Vertebrate
Invertebrate
Mammals
Reptiles
Fish
Amphibians
100

What is the difference between vertebrates and invertebrates

Vertebrates have a backbone

100

True or false: All mammals feed their babies milk.

True

100

True or false: Reptiles use their scales to glide easily through water.

False. Scales help protect their bodies and prevent water loss. Fish have smooth scales that help them glide through water. 

100
True or False: Fish have hard, dry scales that help protect them against predators.

False. Fish have smooth scales that help them swim in water. 

100

Sequence: What is the second stage of a frog's life cycle?

tadpole 

200

Cause and Effect: Why do mammals sweat when they are hot? (Hint: Are mammals warm blooded or cold blooded?)

Mammals are warm blooded. It helps them stay cool. 

200

Cause and Effect (fill in the blank)
Because reptiles have scales, ______________.

Because reptiles have scales, their skin stays protected. 

200

Cause and Effect: Why do fish have fins and tails?

Fins and tails help them swim and steer through water. 

200
How do frogs breathe in the last step in the life cycle?

Adult frogs breathe with lungs and through their skin. 

300

Name 3 ways mammals are different than reptiles 

Possible answers:
Mammals have hair.
Mammals give birth to live babies.
Mammals give their babies milk.
Mammals are warm blooded. 

300

Contrast: How are reptiles different from amphibians?

Reptiles have dry, scaley skin and live on land (mostly). Amphibians have moist skin and live in both water and land. 

300

Compare: What are two ways fish and amphibians alike? 

Both are cold-blooded.
Both are vertebrates.
Both begin life in water and lay eggs. 

300
Contrast: What are some ways tadpoles and adult toads are different? (500 points)

Tadpoles: Live in water, breathe with gills
have a tail and no legs
Adult Toad: Live on land and water, breathe with lungs and skin, have legs and no tail

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