Test for Module 14 Flashcards
green gland
Oxygen is circulated around the body of a sea star in its
water vascular system
simmerets
What 4 characteristics set insects apart from the other arthropods?
three pairs of walking (or jumping) legs; wings, three segments in the body, and one pair of antennae
pericardial sinus
heart
In an echinoderm, what structure operates like a living suction cup?
tube foot
nerve cord
Why do arthropods molt?
their growing bodies get too large for their exoskeletons
gonad
a general term for the organ that produces gametes
simple eye
an eye with only one lens
antennae
digestive glands
exoskeleton
a body covering, typically made of chitin, that provides support and protection
What takes the place of a respiratory system in insects?
a complex network of traceas
The compound eyes are made of
many lenses
If an insect has horny wings that protect membranous wings, to what order does it belong?
Coleoptera
stomach
What 5 characteristics set arachnids apart from other arthropods?
four pairs of walking legs, two segments in body, no antennae, book lungs, and four pairs of simple eyes
Give an example of an arachnid?
spider
anus
The body of an insect is divided into what three parts?
head, a thorax, and an abdomen
statocyst
the organ of balance in a crustacean
What are the stages of incomplete metamorphosis?
egg, nymph, and adult
carapace
