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91 Cards in this Set
- Front
- Back
Animalia are
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chemoheterotrophic eukaryotes with a multicellular diploid stage and participate in sexual reproduction
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Animalia bodies are
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symmetrical
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Animals evolved true tissue which allows
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specialization
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Radial symmetry means that the symmetry of the body is
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in any direction
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Bilateral symmetry means that
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the symmetry of the body is only in one direction |
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A diplooblastic cell has two layers, the
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ectoderm (external) and the endoderm (internal)
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A triploblastic cell has three layers, the
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endoderm (external), ectoderm(internal), and the mesoderm (middle)
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Phylum porifera is composed of
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aquatic sponges
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Porifera are mostly
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asymmetrical
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Porifera lack
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true tissue
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Porifera adults are
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sessile (benthic)
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Porifera larvae are
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motile
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The internal skeleton of porifer are supported by
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spongin (protien) and spicules (silical or calciu)
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Porifera reproduce mostly
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asexually
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Porifera filter water in to the sponge through the
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ostium
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Porifera feeding cell that lines the inside of their body is the
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choanocyte
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The interior of the porifera is called the
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spongocoel
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Porifera spew the water current out of the
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osculum
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The phylum cnidaria consists of
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jellyfish, anemones, and corals
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Cnidaria have a __________ symmetry
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radial
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Cnidaria have ____________ tissue
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diploblastic
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Cnidaria have three distinct life cycle stages which are
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the polyp (asexual, sessile), the medusal(sexual, free floating), and the larval (free swimming)
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For this card draw a cnidria diagram
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x
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For this card draw a porifera diagram
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x
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The tree classes of cnidaria are
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the anthazoa (corals and anemones), scyphozoa (true jellies), and hydrozoa
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Anthazoa are ______ dominant
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polyp
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Scyphozoa are ______ dominant
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medusa
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Hydrazoa alternate between
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polyp and medusa
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For this card draw the obelia life cycle
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x
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Spongin and spicules support the
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internal skeleton
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Bilateral animals often display
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cephalization
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Cephalization is
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the concentration of nervous system in a cluster
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Worms have three types of embryonic development which are
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acoelomates (no cavity), psudeocoelomates (false cavity), and Eucoelomates (true cavity).
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Acoelomates have __________ tissue between gut and body wall to hold organs in place
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semi-solid
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Pseudocoelomates have __________ in the body cavity in contact with the endoderm and organs are loosely held in place. It is partially lined with mesoderm
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fluid
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Eucolomates have a body cavity lined with the ________
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mesoderm
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Coelom functions include
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circulation, digestion, hydrostatic skeleton, and space for internal organs
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The phylum platyhelminthes contains
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flatworms and tapeworms
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For this card draw the planarian anatomy
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x
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For this crd draw the tapeworm anatomy
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x
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The phylum nemotoda contains
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round worms
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Nemotoda are psuedoceolomates meaning that they have
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fluid in the body cavity
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Nemotoda are
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parasitic
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The phylum annelida contains
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segmented worms including earthworms, seaworms, and leeches
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For this card draw the earthworm anatomy
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x
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For this card draw the earthwom cross section
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x
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Segmentation refers to a body being composed of
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repeating segments
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Parapodia are
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unjointed lateral outgrowths that bear the chaeta
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Chaeta are
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chitinous bristles found on annelids, arthropods, or insects
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The "tube within a tube system" refers to
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and inner tube (the gut) encased in an outer tube (the body wall, skin)
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The hydrostatic skeleton is fluid filled and moves by
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muscle contractions that change the body shape
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Flatworms are acoelomate which means they lack a
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coelom.
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A coelom is the
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fluid filled space between the outer body and the digestive tube
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For this card draw the planaria prepared slide diagram
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x
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The scolex is
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the anterior of a tape worm composed of barbs and suckers
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The proglottids are
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the reproductive segments on tapeworms
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Proglottids are filled with
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fertilized eggs
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An incomplete digestive tract has
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only one opening
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A complete digestive tract has
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two openings
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Taenia have ________ digestive tracts
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incomplete
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Chaetae in annelids extend from the body segments and function in
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movement
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Earthworms are deposit feeders meaning
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they burrow through sediment and digest organic material within it
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The clitellum is
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the smooth saddle like structure on the middle of the earthworms body that functions in reproduction
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The typhlosole increases
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intestine surface area to provide more effective digestion
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The phylum mollusca contains
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shelled animals such as snails, clams, and oysters as well as unshelled animals like octopi, slugs, and squid
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The class gastropoda contains
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snails and slugs
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The class bivalvia contains
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clams, oysters, and mussels
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The class cephalopoda contains
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squids, octopi, and nautilus
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For this card draw the mollusk internal anatomy
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slide 5
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The phylum arthropoda contain
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bugs that have body segmentation, jointed appendages, and an exoskeleton of chitin. Includes trilobites, spides, crabs, scorpions, and centipedes.
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Arthropoda share the general 3 characteristics
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body segmentation, jointed appendages, and exoskeletons of chitin
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The subphylum trilobitomorpha contains
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trilobites, who have extensive body segmentation
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The subphylum cheliceriformes contains
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crabs, spiders, mites, scorpions
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The subphylum myriapoda contains
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millipedes and centipedes
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The subphylum hexapoda contain
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insects
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The subphylu crustacea contains
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lobsters, crabs, shrimp, and barnacles
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Crustacea have two pair of _____ and _____ limbs
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two, biramous
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Hexapoda have
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spiracles
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Cheliceriforms have
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fusion of segments with anterio appendage modified as chelicerates
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The general mollusk body plan consists of these three parts
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visceral mass, the foot, and the mantle
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The visceral mass of a mollusk is
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a sack containing internal organs
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The mantle of a mollusk is
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a thin tissue layer that secretes the shell
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Gastropoda have a feeding structure called the radula which
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is locate in the moth and is covered with smalle teeth
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Most bivalva are this kind of feeder
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filter feeders
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Bivalves contain two valves connected at the
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hinge
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For this card, draw the clam anatomy
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x
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Cheliceriformes are named for the appendges near their mouths called
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chelicerae
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Chelicerae are
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appendeges near the mouths of cheliceriformes
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Hexapoda have ______ major regions and _______ legs
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three, six
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holometabolous metamorphosis is the process in which
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larva change into adults that are substantially different in morphology
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The pupa is
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an intermediate form in which larval tissues are restructured to form the adult
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