Amphibians need water to ___________.

Fish live their whole lives in/on __________.

Adult amphibians are usually ____________. (diet)

Fish are usually covered in _________.

Most amphibians have four __________.

Amphibians have adapted to live on __________ and __________.

Most fish have ________ to take oxygen from water.

The three classes of amphibians are ____________, ___________, and ____________.

Amphibians have moist _________.

Most reptiles use _____________ to blend in to their surroundings.

Reptiles are ___________- blooded vertebrates.

Reptile skin is usually covered with dry, rough _____________.

Most fish are _____________ or ______________. (diet)

Fish are the most __________ vertebrate group.

Reptiles breathe using ____________.

Reptiles usually lay soft shelled ____________.

Mammals have __________ or _________ on their skin.

If reptiles are brightly colored, they could be ____________. (defense)

The brightly colored reptiles that are not poisonous are using a defense called _________.

Mammals are ____________ - blooded vertebrates.

Turtles and tortoises are usually ___________, while snakes and crocodilia are _____________. (diet)

Most mammals regulate their body ___________.

The four classes of reptiles are ___________, __________, ___________, and _____________.

Most mammals give ________ birth, babies are not born in eggs.

Females mammals make ___________ to feed their young.

Mammals have the largest and most developed ________ in the animal kingdoms.

Birds have toothless ____________.

Mammals breathe using __________.

Mammals live on every ____________.

Most birds are ___________ that eat fruit, seed, and insects.

Birds are ____________ - blooded vertebrates.

Most mammals are ___________. (diet)

Bird skin is covered in ____________.

Most birds can ___________ to move from place to place.

A vertebrate that has both feathers and wings

A vertebrate that lives its whole life in water.

A feature or quality belonging typically to a person, place, or thing. (adjective describing a noun)

An animal that eats only flesh (meat).

A vertebrate that feeds its young milk.

An animal that has a backbone.

keep the same body temperature, usually the body temperature is higher than the environment.

the surroundings in which animals live

used by fish to get the oxygen from water

an animal that eats only plants

to blend in with environment

the natural environment of an animal

Sacs that hold air and transfer oxygen to the blood

A vertebrate that lives part of its life in water and part of its life on land.

animal that has poison (toxins) possible of causing death or illness to other animals.

animal that eats both plants and flesh

An animal that doesn’t have a backbone.

body temperature doesn’t stay the same all the time. Temperature is changed by the environment.

looking or acting like something else as a defense to predators

poison or venom produced by plants or animals