Cold-Blooded Crew
True or False: Ectotherms use their environment to regulate body temperatures.
True
This type of snake squeezes its prey.
Constrictor
They have feathers, hollow bones, beaks, and lay eggs.
Birds
A creature without legs that has gills to breathe and a scale-covered body is a _________________.
Fish
The diet of most snakes is primarily _____________.
Rodents
Are ectotherms cold-blooded or warm-blooded?
Cold Blooded
What prevents reptile eggs from drying out and breaking?
Their leathery covering
Birds use their songs to _______________
Warn other birds
Cartilaginous fish are covered by small pointed structures called _________________.
Denticles
A creature that lives a double life, starting as a tadpole in the water and changing into a land animal is a/an ______________.
Amphibian
Which has an easier time regulating body temperatures - Ectotherms that live in the water or on land?
Water
This tooth on a croc's lower jaw helps to differentiate it from an alligator.
4th
The breastbone of a bird is called a ______________.
Keel
The hard, bony flap that covers and protects the gills of a bony fish is the __________________.
Operculum
True or False: Bats are important in controlling the insect population.
True
What causes ectotherms to become sluggish?
Cold Temperatures
What is the study of reptiles and amphibians called?
Herpetology
Who has a higher body temperature, birds or mammals?
Birds
True or False: A bony fish fills its swim bladder with water to ascend or descend as it swims.
False - It empties its swim bladder of gases
Is a snake's skeleton made of bone or cartilage?
Bone
Who needs more food, endotherms or ectotherms?
Endotherms because they do not generate their own body heat
The Komodo Dragons have these between their teeth to help to kill their prey.
Venom Ducts
Scientists who study birds.
Ornithologists
Most fish have a very well-developed sense of ________, ________, ________.
Sight, Taste and Smell
Why do endotherms need more food?
Because of their high metabolism.