Extinct
Mammal
A species that is gone forever
because all of its kind have
died
An animal that has fur or hair,
breathes with lungs, gives live
birth and is fed milk from its
mother
Species
A name that identifies a living
organism
Bird
An animal that has feathers,
two legs and wings
In danger of becoming extinct
Endangered
Amphibian
An animal that begins life in
the water and moves to the
land as an adult
Threatened
Gills
On the way to becoming
endangered or extinct
A body part found in fish and
young amphibians that takes
oxygen from the water
Cell
The small unit that makes up
all living things
Inherit
To receive traits from your
parents
Fossil
Evidence of a plant or animal
that lived on Earth long ago
Trait
A body feature that an animal
inherits; it can also be
something that an animal does
Fish
An animal that lives its whole
life in the water and breathes
with gills
Hibernate
To enter a deep sleep in which
life activities slow down
Migrate
To travel as a group from one
place to live in another
Scales
Reptile
The small, thin, flat plates
that help protect the bodies
of fish and reptiles
A land animal that has dry skin
covered by scales
Camouflage
A natural disguise some
animals have to help them
blend in with their
surroundings
Instinct
A behavior an animal knows
how to do without being
taught
Mimicry
The imitation by one animal of
another or an object in order
to avoid predators
Omnivore
An animal that eats both
plants and animals
Food Web
A model that shows how food
chains overlap
Decomposer
A living thing that breaks
down dead organisms for food
Predator
An animal that hunts another
animal for food
Food Chain
The path of food from one
living thing to another
Prey
An animal that is hunted by a
predator
Energy Pyramid
A diagram that shows that the
amount of useable energy in an
ecosystem is less for each
higher animal in the food chain
Producer
A living thing that makes its
own food
Consumer
A living thing that eats other
living things as food
Herbivore
Interact
Carnivore
An animal that eats plants
When plants and animals
affect one another or the
environment to meet their
needs
An animal that eats other
animals