Invertebrates; 1101

Question 1

clitellum

Answer 1

a thickened glandular region of clitellate worms that aids in reproduction

Question 1

clitellate

Answer 1

a type of segmented worm, such as an earthworm

Question 2

cuticle

Answer 2

a thin protective outer layer of some invertabrates

Question 3

cyst

Answer 3

a protective capsule that forms around some organisms

Question 4

infested

Answer 4

filled with troublesome or destructive pests

Question 5

nephridia

Answer 5

the excretory organs in some inverebrates

Question 6

pharynx

Answer 6

the tube that connects the mouth to the esophagus

Question 7

polychaete

Answer 7

a type of marine worm with paddlelike appendages

Question 8

proglottid

Answer 8

one of the body segments of a tapeworm

Question 9

scolex

Answer 9

the knob-shaped anterior end of a tapeworm

Question 10

setae

Answer 10

the hairlike bristles of an earthworm that functions in locomotion

Question 11

transverse

Answer 11

referring to something that crosses from side to side

Question 12

arachnid

Answer 12

an arthropod with eight legs

Question 13

carapace

Answer 13

the hard section of exoskeleton covering the backs of many arthropods

Question 14

cephalonthorax

Answer 14

the anterior body segment of some arthropods

Question 15

chelicerae

Answer 15

the first pair of jointed mouthparts of an arachnid

Question 16

chelipeds

Answer 16

a pair of clawlike appendages of crustacean

Question 17

chitin

Answer 17

the tough, fibrous substance that forms the exoskeleton of many arthropods

Question 18

hydraulic

Answer 18

operated by using pressure transmitted through a fluid

Question 19

maxillipeds

Answer 19

the pairs of appendages used to direct food toward the mouth of a crustacean

Question 20

myripod

Answer 20

an arthropod with many legs and many body segments

Question 21

pedipalps

Answer 21

a pair of appendages used by an arachnid for seizing and holding prey

Question 22

spinnerets

Answer 22

the organs from which a spider’s web silk is emitted

Question 23

swimmerets

Answer 23

the pairs of appendages that aid a crustacean in swimming and reproduction

Question 24

aphid

Answer 24

a small insect pest that destroys plants by sucking the sap

Question 25

chrysalis

Answer 25

the pupal stage of a butterfly; also the cocoon of a butterfly

Question 26

emerge

Answer 26

to come out of something: to come into view

Question 27

manibles

Answer 27

a pair of insect mouthparts used for chewing and tearing food

Question 28

maxillae

Answer 28

a pair of insect mouthparts used to direct food toward the mouth

Question 29

nymph

Answer 29

the immature form of an insect that does not undergo complete metamorphosis

Question 30

ocelli

Answer 30

insect eyes with single lenses

Question 31

proboscis

Answer 31

the tubelike mouthpart of insects, such as butterflies and moths

Question 32

weevil

Answer 32

a small snout beetle that feeds on plants, fruits, and nuts, often causing crop damage

Question 33

bladder worm

Answer 33

tapeworm larva that has developed a scolex

Question 34

flame cells

Answer 34

planarian's specialized cells; collect liquid waste from its body

Question 35

fluke

Answer 35

parasitic flatworm; tiny, solid, ribbonlike or oval-shaped body; two suckers

Question 36

intermediate host

Answer 36

host that ingest the eggs of a tapeworm

Question 37

primary host

Answer 37

host containing an adult tapeworm

Question 38

roundworm

Answer 38

round and elongated; resembles a slender thread pointed at each end; extremely small; can live in almost every environment

Question 39

tapeworm

Answer 39

parasitic flatworm; long, flat body; can infect the muscle tissues of certain mammals and the intestinal tract of humans

Question 40

cardiac

Answer 40

crayfish stomach where food is ground up

Question 41

centipede

Answer 41

carnivorous myriapod; hunts mostly worms and insects at night

Question 42

crustacean

Answer 42

arthropod; two or three pairs of jointed antennae; six pairs of jointed mouthparts

Question 43

green glands

Answer 43

filter waste materials out of a crayfish's hemolymph

Question 44

millipede

Answer 44

herbivorous myriapod; feeds on decomposed vegetation

Question 45

pyloric

Answer 45

crayfish stomach where food is mixed with digestive enzymes

Question 46

scorpion

Answer 46

arachnid; elongated body; preabdomen; postabdomen; venomous stinger

Question 47

spiracle

Answer 47

opening on the arachnid's ventral side through which it breaths

Question 48

tick

Answer 48

tiny, oval-shaped parasitic arachnid; feeds on the blood of its host; has only six legs in its smaller larval stage

Question 49

chewing

Answer 49

insect mouthpart; strong mandibles for chewing; grasshoppers

Question 50

digging

Answer 50

thick, flat legs equipped with claws; mole crickets

Question 51

jumping

Answer 51

thick, muscular hind legs; grasshoppers

Question 52

piercing-sucking

Answer 52

insect mouthpart; long, thin maxillae mandibles; proboscis for sucking blood or nectar; mosquitoes

Question 53

raptorial

Answer 53

strong, thick first legs designed for grabbing and holding prey

Question 54

running

Answer 54

long, thin legs designed for rapid movement; cockroaches

Question 55

siphoning

Answer 55

insect mouthpart; long, tubular proboscis; butterflies

Question 56

sponging

Answer 56

insect mouthpart; long lip with two elongated lobes; flies