Vocabulary
an organism that eats only plants
herbivore
an organism with a backbone
vertebrate
external structures are found in this area of the animal's body
outside
this internal animal structure pumps blood throughout the body
heart
this animal lives in the ocean and has eight arms and three hearts
octopus
an organism that eats only animals
an organism without a backbone
invertebrate
these external structures allow an animal to walk on land
legs
this internal animal structure breaks food into smaller particles
stomach
this animal has two wings, a proboscis, and tastes with its feet
butterfly
an organism that eats plants and animals
omnivore
this structure gives shape and support to invertebrates
exoskeleton
these external structures allow an animal to fly
wings
these internal animal structures take in oxygen and release carbon dioxide
lungs
this animal's heart is the size of a small car
blue whale
the action something is made for
function
this invertebrate has an exoskeleton, lives in the ocean, and has ten jointed legs
crab
these external structures allow an animal to swim
fins
this internal animal structure controls all the functions of the body
brain
this animal has black skin under its fur to allow it to soak up more heat from the sun
polar bear
to protect from attack or danger
defend
this gelatinous invertebrate lives in the ocean and does not have an exoskeleton
jellyfish
this external structure can keep an animal warm by holding in its body heat or keep the animal cool by reflecting away the sun's heat
fur
these internal animal structures transport oxygen and nutrients to every part of an animal's body
blood vessels
this animal can take up to two weeks to digest one meal
sloth