Biology II Test Two - Cnidaria, Porifera, Platyhelminthes, Nematoda, Rotifera, Mollusca Flashcards
Sponges are in phylum
Porifera
Jellyfish and hydras are in phylum
Cnidaria
Flatworms are in phylum
Platyhelminthes
Roundworms are phyla
Nematoda
Rotifers are in phyla
Rotifera
Clams, snails, squid, oysters, scallops are in phyla
Mollusk a
Earthworms and leeches are in phylum
Annelida
Three types of mollusca
Bivalves, Gastropoda, Cephalopoda
Both mollusk a and Annelida have
Bilateral symmetry, coelom, protostome, multicellular, and three germ layers.
How many hearts of squid
Three
Thin tissue that encloses visceral mass and may secrete. She’ll in mollusks
Mantle
In mollusks that enclose the internal organs
Visceral mass
How the clams filter feed with what structure inside shell
Siphon
Cephalization is another term for blank
Had
Segmented worms
Annelida
Earthworms use what hairy structures to help them move
Setae
Secretes mucus and holds worms together during mating
Clitellum
Digestive system of earthworm in order
Pharynx, esophagus, crop, gizzard
What earthworm eats
Detritus
Little white structures that are part of earthworms excretory system
Nephridia
In earth worm the seminal blanks are bigger than the seminal blanks
Vesicles bigger than receptacles
A fold in worms that increase the intestines surface area
Typhlosole
cells of animals are organized into blank and blank
tissues and tissue layers
five key transitions noted in animal evolution
tissues, symmetry, body cavity, development, segmentation