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61 Cards in this Set
- Front
- Back
Sponges belong to phylum
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Porifera (pore bearers)
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Sponges have no.....
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Mouth or gut
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In sponges, water flows through the
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Collar cells
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Water flows into the....in sponges
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Osculum
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A sponges skeleton is made up of
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Spicules
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Spicules are built from
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Amebocyte
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Spongin
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Protein that makes up some skeleton in sponges
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Sponges are.....feeders
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Filter
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Reproduction in Sponges
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Asexual and Sexual
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Gemmules
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Sphere-shaped collection of amebocytes that can grow into a new sponge when conditions are favaroble
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Budding
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Process where sponges bud a new sponge that falls off parent
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Phylum Platyhelminthes
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Flatworms, simplest animals with bilateral symmetry, exhibit through cephilization
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Phylum Nematoda
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Roundworms
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Free living flatworms have a gastrovascular cavity with 1 opening at the end of the
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pharynx
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Pharynx
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Used to suck food into gastrovascualr cavity
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Parisitic
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Live off another host
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No digestive tract
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Tapeworms
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Flatworms lack
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Respiratory and ciculatory system
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Planarians have flamecells that
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Help them get rid of extra water
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Free-living flatworms nerous systems are much less develped than cnidarians and sponges. True or False
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False. Much more developped
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Ocelli
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Pair of light-sensitive ograns (eyespots)
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Cilia
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Helps them glide through water
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Asexual repro. in flatworms by
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fission
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Class Tubelaria
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Planarians free living flat worms
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Class Trematoda
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Flukes parasitic flatworms
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Class Cestoda
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Tapeworms parasitic flatworms
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Roundworms
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Phylum Nematoda, 2 openings mouth and anus, digestive system, free living
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Parasitc roundworms can cause
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Disease in humans and animals
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Phylum Mollusca
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Mollusks
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Trochophore
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Swimming mollusk larvae
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How are mollusks definded?
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Soft bodied animals that have internal and external walls
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Name the 4 basic body parts of a mollusk
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Foot, Mantle, Shell, Viscral mass
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The mouth of a Mollusk is found in the
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Foot
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Mantle
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Covers Mollusk's body
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Shell
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Secretes calcium under the mantle
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Visceral mass
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Contains internal organs of Mollusks
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Radula (Mollusks)
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Layer of flexible skin with hundreds of tiny teeth grinds through shell of prey
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Mullusks internal transport
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open circulatory system
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Nephridia
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Gets rid of ammonia by using simple tubeshaped organs
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Class Gastropoda
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gastropods, foot-mouth, land slugs
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Class Cephalopoda
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cephalopods, head foot, cuttlefish
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CLass Bivalvia
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bivalves, two shells, clams
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Hemocyanin
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oxygen-carrying blood compound
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Phylum Annelida
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Annelids/segmented worms, round wormlike animal that has a long segmented body
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Clittellum
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Thickened body segment used in repro.
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Coelom
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Body cavity lined with mesoderm
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Class Polychaeta
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chaeta means bristles, paired paddlelike appendages on body segments, marine worms
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Class Hirundae
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parasitic fresh water organisms Leeches
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Class Oligochaeta
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Earth worms and tubifex worms
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Cuticle
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Tough outer covering to keep worm moist
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Phylum Anthropoda has how many subphylum
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4
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Subphylum Trilobita
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oldest subphy. lived in ancient seas extinct
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Subphylum Chelicerates
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Spiders ticks mites scorpions and horshoe crab
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Subphylum Crustaceans
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edible organisms crabs and shrimps
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Subphylum Uniramians
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Centipedes millipedes all insects
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3 most important features in arthropods
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Tough exoskeleton, jointed appendages segmented bodies
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Exoskeleton
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System of external supporting structures that are made from chitin
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Molt
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Shed exoskeleton
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Metamorphosis
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Dramatic change in form. Example: Butterflies
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How are crustaceans characterized
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exoskeleton 2 pairs of antennae and mouthparts called mandibles
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Phylum Echinodermata
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spiny skin 5 part radial symmetry internal skeleton water cascular system and tube feet
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