Mammals
This can be found covering a lot or a little of a mammals body
What is hair/fur?
Reptiles have this type of external covering to protect their bodies.
What are scales?
Birds reproduce by laying these.
What are eggs?
These cover the outside of a fish.
What are scales?
Amphibians can live in these two environments.
What is on land and in water?
These structures are unique only to birds.
What are feathers?
The group of fish that have circular mouth openings instead of jaws are called...
What are jawless fish?
Mammals are furry, reptiles are scaly, but amphibians have this type of skin.
What is smooth or slick?
This is produced by the mammary gland and helps provide nutrition to offspring.
What is milk?
Some reptiles like turtles and lizards move using four legs. Snakes have no legs, so they get around by doing this.
What is slithering?
This type of bird can fly silently and has excellent night vision.
What is an owl?
Unlike humans, fish use these to get oxygen.
What are gills?
Amphibians start out living underwater in their young developmental stages. Then, they transform into land animals using this process.
What is metamorphosis?
Mammals don't lay eggs. Their reproductive style is called...
What is live birth?
A reptile that is born on land but spends most of its time in the water. It has remained mostly unchanged in terms of evolution for millions of years.
What is a crocodile/alligator?
These structures are hollow and lightweight, allowing easy flight for birds
What are bones?
Fish are the first animals to evolve this structure that is distinct to vertebrates.
What is a backbone?
An amphibian that is similar to a salamander, but has more bumpy skin and lives mostly underwater
What is a newt?
What two typical features of mammals do dolphins and whales not have?
What are fur and a land environment?
Reptiles are cold-blooded or ectothermic. Mammals are the opposite; They are warm-blooded, also know as this.
What is endothermic?
The majority of Birds do not have these, they instead use beaks to break apart nuts and seeds or to catch insects.
What are teeth?
Some fish can control how deep they are in the water by inflating or deflating a sack called...
What is a swim bladder?
Amphibian is a latin word meaning this...
What is "two lives?"