Chapters 36-38 Flashcards
Lobsters, crayfish, and shrimp are examples of what?
arthropods and crustaceans
Spiders, ticks, and scropions are classified as ___.
arachnids
The anterior body segment of a crustacean or spider is called the ___.
cephalothorax
The appendages on either side of a spider’s mouth with which it manipulates is food are the ___.
pedipalps
The respiratory organs found in most crustaceans are called ___.
gills
The short, fingerlike organs of a spider’s abdomen with which it spins silk are the ___.
spinnerets
The excretory organs of a crayfish are ___.
green glands
The subphylum of extinct arthropods is ___.
trilobita
Most aquatic arthropods are categorized into which subphylum?
crustacea
Spiders use which structure for respiration?
book lungs
A free-swimming crustacean larva is called ___.
nauplius
fused body segments that are usually specialized for a specific function are called ___.
tagmata
Terrestrial crustaceans that lack adaptions for water (e.g., pill bugs) are classed as ___.
isopods
The appendages with princers found on the crayfish are called ___.
chelipeds
The five ventral appendages found on a crayfish abdomen are called ___.
swimmerets
Name some crustaceans.
shrimp, barnacles, and water fleas
How many different types of spiders in the U.S. are poisonous to humans?
2
These dangerous arachnids cause Lyme disease and Rocky Mountain spotted fever.
ticks
The organs located on the abdomen of a grasshopper used for breathing are called ___.
spiracles
Insects are in teh subphylum
hexapoda
Which body segment of an insect has the legs and wings attached to it?
thorax
Honeybees that develop from unfertilized eggs are called what?
drones
A grasshopper’s exoskeleton is covered by a waxy cuticle secreted by the ___.
epidermis
Insect mouthparts that function as upper and lower cutting tools are the ___.
maxilla and mandibles
Which characteristic does an insect not share with members of the subphylum Myriapoda?
one pair of antennae
stinkbugs
hemiptera
butterflies
lepidoptera
cicadas
homoptera
bees
hymenoptera
termites
isoptera
mosquitoes
diptera
dragonflies
odonata
grasshoppers
orthoptera
ladybugs
coleoptera
These insects most often live in large colonies.
hymenopterans
The large oval membrane that covers the air-filled cavity on the sides of the abdominal cavity and conducts sound in a grasshopper is called what?
tympanum
A type of passive insect defense whereby harmless insects mimic dangerous insects with specail warning coloration is called ___.
batesian mimicry
The dances of the bees studied by Karl von Frisch explain how bees ___.
communicate the location of food
A worker bee’s ovipositor is used for ___ purposes only.
reproduction
Adult echinoderms develop from larvae that are ___.
bilaterally symmetrical
Describe echinoderms
they are deuterostomes, they undergo indeterminate cleavage, they exhibit no cephalization
Sea lilies and feather stars are part of the class of echinoderms known as ___.
crinoidea
The class of echinoderms that includes sea urchins is the class ___.
echinoidea
One characteristic that is found only in echinoderms is ___.
a water-vaascular system
The surface that is opposite the mouth in a sea star is the ___.
aboral surface
Animals in the sbuphyla Urochordata and Cephalochordata live ___.
only in the ocean
The subphylum of echinoderms that includes sea cucumbers is the ___.
holothuroidea
The tiny pincers surrounding the spines on many species of Asteroidea are called ___.
pedicellariae
The digestive structure that can be extended externally to digest food in a sea star is the ___.
cardiac stomach
The tube that connects the madreporite to the tube encircling the mouth is the ___.
stone canal
Contraction of the muscles around the ___ causes the tube feet to fill and extend.
ampulla
Most sea stars eat ___.
clams and mollusks
Gas exchange occurs through ___ in a sea star.
diffusion
The free-swimming larvae of a sea star are called ___.
bipinnaria
Reproduction and fertilization in the subphylum Asteroidea occur ___.
externally
Describe some features of a centiped
poisonous, one pair of legs per body segment, one pair of long jointed antennae, carnivores
Describe some features of a millipede
class diplopoda, slow movers, round bodies, detritivores
Describe some features centipedes and millipedes share.
live in dark moist places, phylum myriapoda
