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Vocabulary
Vocabulary for Chapters 28 and 29 Invertebrates Part 2
35
Biology
9th Grade
02/11/2010

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Term
Functions of water vascular system-
Definition
respiration, circulation, and movement
Term
sexual reproduction-
Definition
fusion of male and female gametes
Term
endoskeleton-
Definition
structural support inside a body
Term
insects-
Definition
have 3 pairs of legs and 3 body regions
Term
chemical receptors on legs-
Definition
sense of taste for insects
Term
Diplopoda-
Definition
class for legs/body segment, herbivore
Term
cephalothorax and abdomen-
Definition
body segments in spiders and crayfish
Term
Arthropoda-
Definition
have a dorsal heart and ventral nerve cord
Term
Chelicerata-
Definition
subphylum for horseshoe crab spiders
Term
Crustacea-
Definition
subphylum for crabs, barnacles, and crayfish
Term
closed circulatory system-
Definition
blood remains in vessels (earthworms)
Term
Uniramia-
Definition
subphylum for insects
Term
Crustacea-
Definition
subphylum for pill bugs
Term
diffusion (requires moisture)-
Definition
how flatworms get oxygen and get rid of wastes
Term
body segments and appendages-
Definition
used to classify arthropods
Term
cheliped-
Definition
large claw on crayfish
Term
Cnidarians and echinoderms-
Definition
have radial symmetry
Term
madreporite-
Definition
brings in water for water vascular system
Term
Echinoderms-
Definition
have an endoskeleton
Term
arthropods-
Definition
have jointed appendages, exoskeleton, open circulatory system, and Malpighian tubules
Term
spider-
Definition
has 6-8 simple eyes
Term
Centipede-
Definition
has a poison claw on its mouth
Term
detect motion-
Definition
function of insects eyes and sensory hairs
Term
oral (ventral) side-
Definition
surface of mouth in echinoderms
Term
functions of tube feet-
Definition
respiration, captureing food, excrretion, and locomotion
Term
cockroach (includes a nymph)-
Definition
undergo incomplete metamorphosis
Term
chelicerae-
Definition
used to stab and paralyze prey
Term
eyespots-
Definition
used to detect light and dark (sea stars)
Term
closed-
Definition
type of circulation system in squid
Term
carapace-
Definition
shield of arthropod protecting organs
Term
pheromones-
Definition
chemical odors for communication
Term
ganglia-
Definition
cephalization in worms and arthropods
Term
Poriferans and Cnidarians-
Definition
have intracellular digestion
Term
internal-
Definition
type of fertilization in arachnids, insects, and snails
Term
deuterosomes-
Definition
embryonic development in sea stars and vertebrates
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