Bio Lab

Front 1

the following 3 animals have a cavitiy called a coelom

Back 1

molusks
annelids
arthropods

Front 2

__________ means that these animals first embyronic opening becomes the mouth

Back 2

protostomes

Front 3

molluscs have a three part body consisting of a ventral, muscular ________ specialized for various means of locomotion; ________ that includes the internal organs; and a _________ and may secrete a shell

Back 3

foot
visceral mass
mantle

Front 4

the nervous system of molluscs are consisted of three pairs of _________, all connected by nerves

Back 4

ganglia

Front 5

the heart in clams is called the _______

Back 5

pericardial sac

Front 6

a clam has a ________

Back 6

open circulatory system

Front 7

mucous layers on the ______ entraps food particles brought into the mantle cavity, and the cilia on the gills convey these food particles to the mouth

Back 7

gills

Front 8

channels food into the open mouth of a mollusk

Back 8

labial palps

Front 9

lies above the foot and is soft and plump; it contains the digestive and reproductive organs

Back 9

visceral mass

Front 10

segmented worms

Back 10

annelids

Front 11

segmented worms contain _________ that work against the fluid filled coelom to produce changes in width and length

Back 11

circular and longitudinal muscles

Front 12

earthworms belong to the class _______

Back 12

oligochaeta

Front 13

earthworms move by the circular and longitudinal muscles and _______

Back 13

setae

Front 14

earthworms feed on ____ in the soil

Back 14

detritus

Front 15

_______ secretes mucous that hold the worms together during mating

Back 15

clitellum

Front 16

arthropods have paired, jointed appendages and a hard _____ that contains chitin

Back 16

exoskeleton

Front 17

crayfish are a type of arthropod and subphylum called _________

Back 17

crustaceans

Front 18

_________ covers the cephalothorax

Back 18

carapace