Andy's Bio 12

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thinkrussia
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Andy's Bio 12
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2012-05-09 16:41:18
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Andy's Bio 12
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  1. require moist environments for cycles.1) Mosses- most numerous; are mostly dioecious (seperate sexes)2) Liverworms- Flat, lobular appearance i.e. Marchantia3) hornwarts- hornlike sporophyte that grows up from a flattened gametophyte. Bryophytes have domminant gametophyte (haploid generation) and dependant (diploid) sporophyte generation Lack xylem; lack true roots, leaves, and stems
    Bryophytes
  2. Rhizopod
    type of protazoan like an amoeba
  3. Ciliata
    • the most highly evolved protozoans
    • posseses a micronucleus (repositiory for genetic info) and a macronucleus(contains some of genetic info found in the micro nucleus)
    • e.g. paramecium
  4. Chlamydiae
    Minute bacteria some cause infections in food tract
  5. Basidiomycota
    • -mushrooms
    • -in most an extensive underground hyphal mass sends up vertical hyphae fruiting bodies in which spores formed reproductive structure in fruiting bodies are club-shaped.
  6. There are 12 mammalian orders list 6
    • 1) cetacea- whales, dolphins
    • 2) Carnivora
    • 3) Rodenta- also beavers
    • 4) chiroplera- bats
    • 5) Artiodactyla- sheep cattle- even # of toes on each foot
    • 6) Perissodactyla- horses, rhinos- odd number of toes
  7. Pseudocoelomates
    Rotofers ( have fixed number of adult cells) and Nematoda (roundworks)
  8. some are heterotrophic, some photosynthetic
    I.E
    Euglena-chloraplast membraneChloryphyll a and bswims using pair of flagellaeyespot helps it orient to light
    Euglenophyta
  9. includes all eukaryotic unicellular speciesdivisions often based on functional characteristics
    Include: Protozoans (animal like)
    Algai Protists (Plant like)
    Protista
  10. amoebas and their shelled relativesno cell wallI.E. Foraminetera- Most numerous of protazoas-amoebas w/ snail like shells -calcium carbonate shells (ocean)Radiolariam-shells rich in silicon (more resistent)
    Sarcodina
  11. Hairlike, single-cell processes that anchor gametophyte to the soil in bryophytes?
    Rhizoids
  12. Mammalian sub classes?
    • 3 Total:
    • 1) Protheria (monotremes)- lasck teeth, lay eggs, posses a beak. i.e. platypes, anteater
    • 2) metatheria ( marsupials or pouched animals) i.e. opossum
    • 3) Eutheria (true or placental mammals)
  13. Sporozoa
    • are all parasites
    • no locamotion
    • complex life cycles moving from one host to another
    • many gametes, spores produced
    • I.E.
    • Plasmodium- causes malaria
  14. -Probably the oldest living cells
    -lack peptidoglycan
    - branched lipids in membranes
    bacteriorhodopsin
    -no flagellum
    -generally extreme habitats
    Archaebacteria
  15. consists of deuterosomes and protosomes
    -are all triploblastic (possessing 3rd laer mesoderm)
    Bilateria
  16. lacks cell wall...?
    Unique among monerans
    Mycoplasmas
  17. Kingdom comprosed of single celled bacteria
    -lack nucleus or membrane bound organelles
    -posses ribosomes, DNA, and RNA
    -lack an ER
    Divided into two subkingdoms
    -Archaebacteria
    -Eubacteria
    Monera
  18. -Mesoderm arises from endoderm in the archenterm.
    -blastopore forms anus and mouth is formed secondarily
    Major Phyla
    -Echinodermata
    -Chordata
    Deuterostomes
  19. Multicellular Female sex organ that prduces eggs.
    -Found in:
    Mosses, ferns, and conifers
    Archegonium
  20. Present in all complex animals beyond the level of a roundworm
    -seperates the gut and the internal organs from the body wall (permits indep.Movement of these two sectors. Thus peristalic movements interior to coelan do not interfere with the cocmotor contractions of muscles in the body.
    Coelom
  21. extremely variable
    major groups are purple and green bacteria
    peptidoglycan
    bacteriochlorophyll
    often has flagellum
    generally moderate
    Eubacteria
  22. -Compound eyes

    5 Classes
    1) Arachnida
    2) Crustacea- gills; i.e. shrimp, crab, barnacles have two pairs of antennae
    3) Diplopoda- Millipedes- herbivores, 2 pairs leggs per segment
    4) Chlipoda- Centepedes- carnivores
    5) Insecta- Most species
    -typically divided into 3 body part ( head thorax, and abdomen)
    Arthropoda and its classes

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