Kingdom Animalia Flashcards
Invertebrates
animals WITHOUT backbone
Phylum Rotifera
Rotifers
microscopic, rings of cilia resembling rotating wheels
Rotifers
Phylum Porifera
Sponges
Osculum
excurrent pore; large; EXIT of water and waste
Ostium
incurrent pores; on the side; water ENTRANCE
Class Calcarea
THREE-pointed spicules; calcium carbonate
Class Hexactinellida
FOUR-SIX pointed spicules; silica
Class Demospongiae
spongin and silica
Phylum Cnidaria
Cnidarians
What is the Greek word for nettle?
knide
can sting; hollow intestines
Cnidarians
What phylum is also known as Coelenterata?
Cnidarians
Jellyfish
Cnidarian
Anemone
Cnidarian
Coral
Cnidarian
Hydra
Cnidarian
stinging cell
Cnidocytes
cell organelle; delivers sting
Nematocyst
Phylum Echinodermata
Echinoderms
What do the words “echinos” and “derma” mean?
“Echnos” - hedgehog;
“Derma” - skin
marine invertebrates with spines and a water vascular system; five-rayed structure
Echinoderms
Starfish
Class Asteroidea
Brittle star
Class Ophioroidea
Sea cucumber
Class Echinoidea
Sand dollar
Class Holothuroidea
Sea lily
Class Crinoidea
Phylum Mollusca
Mollusks
soft-bodied, unsegmented, has calcium carbonate shell
Mollusks
Stomach-foot; snail
Class Gastropoda
Two shells
Class Bivalvia
Head-foot
Class Cephalopoda
Phylum Annelida
Annelids
segmented worms; elongated, cylindrical body with many segments
Annelids