Animal structure
This is the most basic unit of structure in a living thing
What is a cell?
Worms are this, meaning they have no spine
What is an invertebrate?
This arthropod has no antennae
What is a spider?
These are the three body parts of an insect
What is head, thorax, abdomen?
A frog starts out as this legless animal
What is a tadpole?
Tissues combine to form these, like skin
What are organs?
This is a kind of flatworm that lives in another animal's stomach
What is a tapeworm?
Lice is a form of this arachnid
What are mites?
Also known as a cocoon, this is a stage in metamorphosis where an insect does not move
What is a pupa?
Lizzards have four of these, while snakes have none
What are legs?
Humans have a spine, making us a
What is a vertebrate?
This creepy-crawlie is an arthropod with two body sections and many pairs of legs. It is carnivorous.
What is a centipede?
Arthropods have this on the outside of their body for defense and water-proofing
What is an exoskeleton?
Birds are this, meaning they are warm blooded
What is endothermic?
A mammal's skin is covered with this to keep it warm
What is hair or fur?
A jellyfish has this, a balanced arrangement of parts
What is radial symmetry?
Worms have this, meaning that their blood is in veins
What is a closed-circulatory system?
Arthropods have these, which help them move. Think about wrapping a folder around your arm!
What is a jointed appendage?
These short, fluffy feathers keep birds insulated
What are down feathers?
Mammals produce this, to help feed their young
What is milk?
This is how an animal reproduces without a partner
What is asexual reproduction?
These are the three main phyla of worms
What are roundworms, flatworms, and segmented worms?
Crawfish have this large claw used for defense and capturing food.
What is a cheliped?
This is a bird internal food storage tank
What is a crop?
Mammals have this, which squeezes the lungs to obtain oxygen
What is a diaphragm?