Fish
Amphibians
Reptiles
Mammals
Potpourri
100

This group of fish look like eels and consist of predators and decomposers.

What is Cyclostomata.

100

Almost all amphibians go through this change. 

What is metamorphosis?

100

Reptiles are this, which means egg layers. 

What is oviparous?

100

Aquatic mammals have this to protect them from the cold marine water. 

What is blubber?

100

Some cultures eat this creature, despite its slimy nature. 

What is the hagfish?

200

This fish lives in a variety ecosystems, but causes havoc in each ecosystem, making it an invasive species. 

What is the lamprey?

200

Instead of giving birth to live young, this group does this.

What is lays eggs?

200

Most reptiles do this so to prepare themselves for new skin growth. 

What is shed skin?

200

This covers the dermis of this group.

What is hair/fur?

200

The largest of the group Chondrichthyes is this animal.

What is the whale shark?

300

This group of fish have bony skeletons. 

What is Osteichthyes?

300

This characteristic is the inability to self-regulate body temperature.

What is cold-blooded?
300

Reptiles are ideally matched to warmer types of this.

What is weather?

300

Instead of laying eggs, this group does this.

What is gives birth to live young?

300

All aquatic vertebrates belong to this phylum.

What is chordata?

400

This type of ray uses the battery-like organs on either side of its head to help capture and kill its prey. 

What is the electric ray?

400
A change to this can make it very difficult for the amphibian to survive. 

What is environmental change?

400

Reptiles have this, which makes them part of the chordata phylum. 

What is a backbone or vertebrae?

400

Some marine mammals that often swim in the ocean depths where light is scarce have developed this adaptation to help them "see."

What is sonar/echolocation?

400

This marine mammal is related to the elephant and is also an herbivore.

What is a manatee?

500

This type of fish has a cartilage skeleton and denticles instead of scales. 

What are Chondrichthyes?

500

This species of amphibian does not go through metamorphosis, but instead keeps its gills through adulthood. 

What is an axolotyl? 

500

This largest reptile is North America is greatly feared because of its powerful jaws. 

What is the American alligator?

500

These glands are necessary to provide nourishment for their young.

What are mammary glands?

500

When a shark swims at the water's surface, this fin can often be seen. Scary!

What is the dorsal fin?