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5.3 Classification of biodiversity
IB Syllabus
26
Biology
12th Grade
12/07/2015

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Term
Define taxonomy (classification)
Definition
the ordering of organisms into groups on the basis of their relationship. groups are called taxa.
Term
what were the problems that forced a method of classification to be determined?
Definition
different languages, an organism named twice, concerns with droupings of different organisms.
Term
what were thought to be all kingdoms in the initial classification system from linnaeus?
Definition
minerals, vegetables, animals
Term
what did robert whittaker do to the classification system in 1969?
Definition
proposed 5 kingdoms: plantae, fungi, protista, animalia & monera
Term
What are the three domains?
Definition
eubacteria, Archaeans, eukaryotes
Term
What is a mnemonic sentence t remember domain, kingdom, phylum, class, order, family, genus and species?
Definition
Did King Philip Come Over For Great Soup?
Term
What is artificial classification?
Definition
grouping together of species that are not similar enough.
Term
What is natural classification?
Definition
the species in a group evolved from a common ancestor.
Term
name three characteristics of the plantae kingdom
Definition
eukaryotic cells, cellulose cell wall, often photosynthesize etc.
Term
name two examples of the bryophyta phylum in the plantae kingdom
Definition
liverworts and mosses
Term
name an example of the filicinophyta phylum in the plantae kingdom
Definition
ferns
Term
name an example of the coniferophyta phylum in the plantae kingdom
Definition
conifers (cones)
Term
name an example of the angiospermophyta phylum in the plantae kingdom
Definition
flowering plants (magnolia and apple trees)
Term
name three characteristics of the animalia kingdom
Definition
eukaryotic, no cell wall, heterotrophic
Term
Name two examples of the chordata phylum in the animalia kingdom
Definition
humans and giraffes, or other
Term
Name an example of the porifera phylum in the animalia kingdom
Definition
sponges
Term
Name two examples of the cnidaria phylum in the animalia kingdom
Definition
jellyfish, sea anemones and corals
Term
Name two examples of the platyhelminthes phylum in the animalia kingdom
Definition
tapeworm and flukes
Term
Name two examples of the annelida phylum in the animalia kingdom
Definition
earthworms, leeches
Term
Name two examples of the mollusca phylum in the animalia kingdom
Definition
snails, mussels, squid
Term
Name two examples of the arthropoda phylum in the animalia kingdom
Definition
crabs, spiders, butterflies
Term
Name 3 characteristics of the fish class in the chordata phylum
Definition
scales, gills, fins supported by rays, external fertilization
Term
Name 3 characteristics of the amphibians class in the chordata phylum
Definition
soft moist skin, external fertilization in water, larvae stage in water.
Term
Name 3 characteristics of the reptiles class in the chordata phylum
Definition
dry scaly skin, internal fertilization, one type of teeth
Term
Name 3 characteristics of the birds class in the chordata phylum
Definition
feathers, wings instead of front legs, beak but no teeth.
Term
Name 3 characteristics of the mammals class in the chordata phylum
Definition
hairs on skin, alveoli, live births, milk secretion in females, different types of teeth.
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