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120 Cards in this Set
- Front
- Back
Chordata general characteristics...
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a. largest of the animals
b. found in the sea, freshwaster and on land c. tiny fish to great whales d. dorsal tubular nerve cord/ brain (central nercous system) brain and spinal cord e. internal supporting rod or skeleton - the notochord f. gill slits during development |
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Chordata subphylums...
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Vertebrata
hemichordata urochordata cephalochordata |
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Ex. of Urochordata
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tunicates and sea squirts
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Ex. of hemichordata
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wormlike animals (acorn and tongue worms)
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Description of vertebrata
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animals with backbone
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Des. of cephalochordata
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amphioxus - fish like
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Classes of Vertebrates
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Chondrichthyes
Osteichthyes Agnatha Amphibians Reptilia Aves Mammalia |
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ex. of chondrichthyes
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cartilage fish - sharks rays skates
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osteichthyes
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bony fish
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agnatha
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round mouthed fish
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two chambered heart
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agnatha, chondrichthyes, osteichthyes
(fish) |
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Vertebrates six commom characteristics
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1. internal skeleton
2. backbone 3. two paris of appendages 4. closed circulatory sys. 5. heart with two or more chambers 6. large central cavity containing vital organs |
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Ectothermic
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cold-blooded
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endothermic
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warm-blooded
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3 chamber heart
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amphibians
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first tetrapod
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amphibians
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cloaca
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storage for food urine and eggs
(amphibians) |
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advancement of reptiles over amphibians because of life cycle on land
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amneote egg
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birds, reptiles, and humans all have ... in commom
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amnion, chorion, and yolk sac
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Classification of Man
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K. Animalia
P. Chordata sP. Vertebrata C. Mammalia sC. Placentals O. Primates F. Hominidae G. HOmo S. Sapiens |
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pouched mammals
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marsupials
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lay eggs
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oviporous
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nourish young during development
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viviporous
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have mammary glands on hair follicles
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monotremes
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duckbilled platipus and spiny skinned anteater's subclass
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monotremes
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Fish excrete...
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ammonia
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mammals and amphibians excrete
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urea
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birds and reptiles excrete
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uric acid
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which is least toxic?
most toxic? |
least - uric acid
most - ammonia |
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Adaptations for flight
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a. feathers
b. wings c. no urinary bladder d. lose an ovary e. porous bones f. air sacs |
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monkeys and lemers... and humans
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primates
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enlarged canines
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carnivora
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flying mammals
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chirotera
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trunk nosed mammals
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porboscidea
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hoofed animals... both of them
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perissodactyla
artiodactyla |
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two incisors in each jaw
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rodentia
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shrews and moles
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insectivora
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sea mammals
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cetacea
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four incisors
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lagormorph
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toothless mammals
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endentata
(ex. anteaters and sloths) |
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linear repetition of body parts
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segmented
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animals that live attached to substrate
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sessile
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free-swimming stage of life cycles of some cnidarians
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medusa
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ciliated larval stage of lower invertebrates
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planula
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central gut of cnidarians
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gastroceol
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what are cnidarians?
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jellyfish
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animals that drift freely in water
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pelagic
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front-end specialization
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cephalization
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created as water is trapped within gastrocoel of cnidarians ; noncompressiable mass that can change shape but not volume
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hydroskelton
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type of embryonic development exhibited by echinoderms and all vertebrates
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deuterostomes
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body cavity lacking mesoderm layer next ot gut
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pseudoceolom
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type of body cavity in arthropods
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coelom
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skeleton of arthropods
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exoskeleton
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larval stage common to all protostomes
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trochophore larvae
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egg-laying mammals
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monotremes
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sessile form of cnidarians
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polyp
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blocks of muscles
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myotome
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characteristic of all chordates
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gill slits
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Porifera are...
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sponges
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encapsulated cell protecting next generation of cells in porifera
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gemmules
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three types of cells in porifera
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Choanocytes (collar cells)
Amebocytes Spicules |
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Spicules are made of...
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calcium carbonate, silica, spongin???
used for skeletal support |
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collar cells
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9+2 microtuble arrangement
have enzymes to digest food flow water into sponge |
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Class of Octopus and Squid
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Cephalopoda
(head footed) |
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First to have oragan systems
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Annelida
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First to have organs
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Platyhelminthes
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extracatoroy cells to get rid of nitrogenous waste
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flame cells in platyhelminthes
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Subphylum of the centipede, millipede, and insects
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Uniramia
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Blastopore becomes the mouth
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protostomes
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In class Hirudinea, have anticoagulent used for medical research
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leeches
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Phylum with Acoelomate
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Platyhelminthes
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stinging cell
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nematocysts
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nematocysts are unique to what phylum?
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cnidaria
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95% of all animals
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porifera
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ear drum of insects
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tympanum
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chemical messages from animals of same species (in insects)
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pheromones
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insects upper lip
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labrum
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lower lip
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labium
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holes on abdomen of grasshopper that lead to the trachea
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spriacles
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Egg depositor on insects
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ovipositors
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Animals are diverse because...
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a. exoskeleton
b. adapt quickly c. metamorphis d. complex nervous, endocrine, and sensory systems |
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Jelly fish are...
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Cnidarians
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Free living class of flatworms
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Turbellaria
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Blastopore becomes mouth...
which phylums? kind of cleavage? |
protostome
a. mollusks b. annelids c. anthropods sprial cleavage |
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Blastopore becomes anus ...
which phylums?\ kind of cleavage? |
Deuterostome
a. echinoderms b. chordates radial cleavage |
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first true tissues
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ctenophora
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Ctenophora example?
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comb jellies
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Jellyfish Class?
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Scyphozoa
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Flatworm class including flukes
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trematoda
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first segmentation
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annelida
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class with snails, slugs, conches...
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Gastopoda (stomach footed)
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class of clams, scallops, mussels, oysters
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bivalvia (two shells)
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first invertebrate with ventral nerve core and dorsal blood vessel
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earthworm
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exoskeleton of chitin
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arthropoda
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class of spiders, scorpions, ticks, mites, chiggers, daddy long legs
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arachnida
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shrimp and crayfish are in what class?
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crustacea... with crabs, barnacles, lobsters, pillbugs, and water fleas
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In Crustacea.. the satellite covering over sephlathorax, that protects the gills
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carapace
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excretory organs in crustacea
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green glands
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class in mollusks called axfooted. or hatch footed
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bivalvia
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what keeps their shells closed?
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adductor muscles
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Parasitic flat worms
Class? |
Cestoda
- ex. tapeworms |
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what are the head with hooks to catch inside of intestines called... in class cestoda
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scolex
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in cestoda.. what is a section capapble of reproducing on it's own called?
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proglotids
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the most abundant animals
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nematoda
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one way digestion
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nemertina
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Round worms
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nemertoda
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What is covered by the mantle that secretes calcium carbonate shell in mollusks?
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visceral hump
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becomes the digestive cavity
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endoderm
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becomes the surface epithelium
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ectoderm
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becomes the muscles and the reproductive organs
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mesoderm
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in Nemertina... the tube like mouth
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proboscis
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the brain in the annelida
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ganglia
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The theckened band around the worm in sections 32 - 37
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clitelllum
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Tapeworms are in what class of Platyhelminthes
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Cestoda
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Subphylum of arthropods including crabs and lobsters
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Chelicerate
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most diverse class of mullusks - includes snails and slugs
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gastopoda
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ciliated larvae in mullusks
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trochophore larvae
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Class with leeches
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Hirudinea
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tympanum are in...
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grasshoppers
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wormlike protostome with chitoneous exoskeleton
links annelids with uniramia |
phylum Onychophora
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