General Knowledge
Define exoskeleton
Skeleton on the outside
Where do most crustaceans live?
water
How many legs does an arachnid have?
Eight
Name one insect
answers vary
How many body segments do insects have, and name them?
3, head, thorax, abdomen
What is molting?
When an athropod sheds their exoskeleton to grow.
What is one characteristic of most crustaceans
Claws, ten legs, edible, usually live in water
Name a type of arachnid
spider, mite, scorpion, tick
What is a tympanum?
The hearing organ of grasshoppers and some other insects
What are the three stages of incomplete metamorphosis?
egg, nymph, adult
What are the three segments of an arthropods body?
Head, Thorax, and Abdomen (some have cephalothorax - fused head and thorax)
Lobster, shrimp, crab, crayfish, etc
What is a special feature of spiders that helps them make webs?
spinnerets
Name two “social insects”?
Ants, bees, or termites
What’s the difference between a compound eye and a simple eye?
Compound eye has many lenses, simple has one
What are 2 of the common characteristics of arthropods?
Exoskeleton, Body segments, jointed appendages,
Name a type of myriapod
centipede or millipede
How many body segments do arachnids have?
Two: Head/ thorax called the cephalathorax and the abdomen
What is honey and why do bees make it?
Honey is partially digested nectar and as food for Queen Bee (back up food supply to workers who can't get nectar.)
What is a spiracle?
An external opening that allows the insect to breathe by exchanging gases.
What does an arthropod use it’s antennae for? (3 things)
Touch, taste, & smell
what is a characteristic of myriapods?
long, numerous body segments. One pair of legs for each body segment (centipede) or two for millipedes.
What are the 4 stages of an insect's life if it goes through complete metamorphosis?
Egg, larvae, pupa, adult
What is an “open circulatory system” that a arthropod has?
Blood flows directly into various cavities so cells are in direct contact with blood (no arteries or veins)