BIO PLANT

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Author:
macho77
ID:
269091
Filename:
BIO PLANT
Updated:
2014-04-03 16:31:39
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CHAPTER 24
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CHAPTER 24
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CHAPTER 24
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  1. MORPHOLOGY
    BODY SHAPE AND ORGANIZATION
  2. MACROEVOLUTION
    EVOLUTION CHANGE ABOVE THE SPECIES LEVEL
  3. MICROEVOLUTION
    EVOLUTION CHANGE BELOW (OR AT) THE SPECIES LEVEL
  4. EVOLUTION
    CHANGE IN DNA SEQUENCE OF A POPULATION OVER TIME
  5. MUTATION
    CHANGE IN DNA SEQUENCE
  6. ALLOPOLYPLOID
    SPECIES WITH MULTIPLE SETS OF CHROMOSOMES DERIVED FROM DIFFERENT SPECIES
  7. AUTOPOLYPLOID
    INDIVIDUAL IT HAS MORE THAN 2 SET OF CHROMOSOMES ALL DERIVED FROM A SINGLE SPECIES
  8. POLYPLOID (OCCUR IN MOST PLANT SPECIES)
    PRESENCE OF EXTRA SET OF CHROMOSOMES IN CELL DUE TO ACCIDENT DURING CELL DIVISION
  9. SYMPATRIC SPECIATION
    THE EMERGENCE OF A REPRODUCTIVE BARRIER ISOLATES A SUBSET OF A POPULATION WITHOUT GEOGRAPHIC SEPARATION FROM THE PARENT SPECIES
  10. ALLOPATRIC SPECIATION
    A NEW SPECIES FORMS WHILE GEOGRAPHICALLY ISOLATED FROM ITS PARENT POPULATION
  11. POSTZYGOTIC (AFTER THE ZYGOTE)
    OFTEN PREVENT THE HYBRID ZYGOTE FROM DEVELOPING INTO A VIABLE, FERTILE ADULT
  12. PREZYGOTIC BARRIER (BEFORE THE ZYGOTE)
    IMPEDE MATING BETWEEN SPECIES OR HINDER THE FERTILIZATION OF OVA IF MEMBERS OF DIFFERENT SPECIES ATTEMPT TO MATE
  13. PHYLOGENETIC SPECIES CONCEPT
    DEFINES A SPECIES AS A SET OF ORGANISM WITH UNIQUE GENETIC HISTORY- ONE TIP OF THE BRANCHING TREE OF LIFE
  14. ECOLOGICAL SPECIES CONCEPT (APPLIED ASEXUAL AND SEXUAL SPECIES)
    DEFINES A SPECIES IN TERM OF ITS ECOLOGICAL NICHE, THE SET OF ENVIRONMENTAL RESOURCES THAT A SPECIES USES AND ITS ROLE IN A BIOLOGICAL COMMUNITY
  15. MORPHOLOGICAL SPECIES CONCEPT (CAN APPLIED ASEXUAL AND SEXUAL SEPCIES)
    OLDEST AND MOST PRACTICAL, DEFINES A SPECIES BY A UNIQUE SET OF STRUCTURAL FEATURES (BODY SHAPE). THE EASIEST SPECIES CONCEPT B/C BASED ONLY ON THE APPEARANCE (ECOLOGICAL, EVOLUTION, REPRODUCTION NOT REQUIRED)
  16. BIOLOGICAL SPECIES CONCEPT (APPLIED TO SEXUAL SPECIES ONLY)
    A SPECIES IS A GROUP OF POPULATIONS WHOSE MEMBERS HAVE THE POTENTIAL TO INTERBREED IN NATURE AND PRODUCE VIABLE, FERTILE OFFSPRING BUT WHO CANNOT PRODUCE FERTILE VIABLE, FERTILE OFFSPRING WITH MEMBERS OF OTHER SPECIES

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