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24 Cards in this Set
- Front
- Back
- 3rd side (hint)
In one of the earliest classification systems, Aristotle grouped plants and animals according to...
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structural similarities
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They have similar....
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Although Linnaeus used the Latin polynomial system in his books, he created his own...
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two-word shorthand system, also in Latin
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Genus-species
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Scientists classify organisms by studying their forms and...
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structures
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How similar these are
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Cladograms determine evolutionary relationships between organisms by examining...
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Shared derived characters
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these are shared
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All members of the kingdom Animalia are multicellular....
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heterotrophs that lack cell walls
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Differences between plants and animals
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Biological species, as defined by Ernst Mayr, are...
Hint: interbreeding |
interbreeding natural populations
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interbreeding
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The characteristics that scientists use in cladistics are...
Hint: these are shared |
shared derived characters
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these are shared
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Bird wings and insect wings are...
Hint: analog |
analogous traits
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The biological species concept cannot be applied to...
Hint: fertile hybrids, everything of one, |
Species that can produce fertile hyrbids, all bacteria, and species that reproduce asexually
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Scientific names...
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enable biologists to communicate regardless of their native language
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List the order of the eight classification levels
Hint: D, K, P, C, O, F, G, S |
Domain, Kingdom, Phylum, Class, Order, Family, Genus, Species
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True or False..
In the scientific naming system, it is required for the genus to be abbreviated. |
FALSE.
In the scientific naming system it is NOT required for the genus to be abbreviated. |
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The naming system developed by Linnaeus is called __________ _________
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Binomial Nomanclature
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One genus can include several _______
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species
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Ernst Mayr developed the concept that a(n) __________ _______ is reproductively isolated from other groups
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biological species
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When ____________ ________ are incomplete, closely related species can produce hybrids
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reproductive barriers
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The biological species concept works best for the most members of the kingdom ________
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animalia
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Similar features in organisms that do not share a recent common ancestor are called _______ __________.
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analogous characters
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Scientists use evidence of __________ characters to reconstruct evolutionary history.
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homologous
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Th evolutionary history of a species is called its _________
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phylogeny
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What are HOMOLOGOUS characters?
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characters that are similar in different taxonomic groups that show they were once related
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What are ANALOGOUS characters?
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Characteristics/structures of a different species that have developed separately but have the same purpose, only a different structure
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Examples/Notes on Analogous characters...
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- evolved different structures to do the same thing
-developed structurely - Bee & Bird wings |
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Examples/Notes on Homologous characters...
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- same structure different uses
- common ancestor - evolved for different use - "arm" bones in humans alligator 'legs', penguin 'wings', bat 'wings' |
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