Ch 2 - Which Invertebrate Am I? Flashcards
It burrows through the soil, swallowing it and leaving behind enriched soil.
earthworm
A parasitic worm that feeds on the blood of the host animal it has attached itself to.
leech
A parasitic worm that grows inside the intestines of a host and robs it of nutrients.
tapeworm
a parastic worm that lives in the muscles, intestines, or lymph nodes of its host and takes its nourishment from the host’s blood or partially digested food
ringworm
a spiny-skinned invertebrate with five or more rays and two rows of tube feet
sea star or starfish
an invertebrate encased in a thin, rigid shell and protected by spines; it moves on tube feet
sea urchin
an invertebrate with a flowerlike appearance; covered with stinging tentacles
sea anemone
an invertebrate that builds a limestone cup at the base of its tubelike body; most live in large colonies
coral polyp
a tiny freshwater invertebrate with tentacles around its mouth
hydra
a bowl-shaped invertebrate with stinging tentacles
jellyfish
a colony of several jellyfishlike creatures living and working together
Portuguese man-of-war
a protozoan whose shape changes continually as it moves on its pseudopods; uses it pseudopods to engulf food
amoeba
a protozoan shaped like a slipper, which moves using cilia
paramecium (pa-rah-MEE-chee-um)
the smallest crab; hides its 6mm body in the shell of a live clam or oyster
pea crab
can weigh up to 18kg and has 1.5m long legs
Japanese spider crab
a sand-coloured burrowing crab of Atlantic and Caribbean beaches
ghost crab
an Alaskan crab that is a popular seafood dish
king crab
a crab in the eastern United States that is a popular seafood dish
blue crab
a crustacean that lives in discarded snail shells
hermit crab
prized for its enormous pincers and meaty tail; also called Maine lobster
American lobster
a lobster without pincers that uses its antennae for self-defense; also called rock lobster
spiny lobster
a small freshwater lobster that feeds on small animals in lakes, ponds, streams, or drainage creeks; also called crawfish or crawdad
crayfish
one of the smallest types of shrimp, with unusual ‘gill feet’ for swimming, breathing, and filtering water for food
brine shrimp
has one large pincer that it uses as a type of ‘stun gun’
pistol shrimp
eats parasites on fish
cleaner shrimp
a small crustacean that cements itself to an object and builds a hard shell around itself for protection
barnacle
a crustacean that lives on land in moist places; has seven pairs of legs
woodlouse
a type of woodlouse that rolls itself into a hard little ball whenever it senses danger; roly-poly
pill bug (slater)
