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61 Cards in this Set

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