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Biology II Chapter 15 Unit Test

Terms in this set (25)

In one of the earliest classification systems, Aristotle grew plants and animals according to ______.
genus
Although Linnaeus used a Latin polynomial system in his books, he created ______.
his own two-word naming system called binomial nomenclature
Scientists classify organisms on their forms and______.
structure
Cladograms determine evolutionary relationships between organisms by examining similar ______.
all of the above
The basic biological unit in Linnaeus's system is ______.
species
All members of the kingdom Animalia are multicellular ______.
heterotrophs whose cells lack walls
Biological species as defined by Ernst Mayr is ______.
interbreeding natural populations
The characteristics that scientists use in cladistics are ______.
shared derived traits
The biological species concept cannot be applied to ______.
all of the above
Scientific names ______.
enable biologists to communicate regardless of their language
Two species that interbreed and produce fertile offspring are ______.
closely related
In addition to the seven major classification levels, more then thirty other taxonomic categories are recognized.
true
Classes with similar characteristics are grouped in the same order.
false
Analogous characteristics are not inherited from common ancestors.
false
Establishing evolutionary relationships based on similar traits can be misleading.
true
Biological species concept is the only way to identify different species accurately.
false
the six kingdoms
Eubacteria, Archaebacteria, Protista, Fungi, Plantae, Animalia
Ernest Mayor developed the concept that a ______ is reproductively isolated from other groups.
biological species
When ______ are incomplete, closely related species can produce hybrids.
reproductive barriers
The biological species concept works best for most members of the kingdom ______.
Anamalia
______ leads to similar features in organisms that do not share a recent common ancestor.
convergent evolution
Scientists use evidence of ______ characters to reconstruct evolutionary history.
homologous
Explain the difference between homologous and analogous characters. Give an example of each.
Homologous characters are similar features in related organisms. An example would be wings on different birds. Analogous characters are similar structures in unrelated organisms. An example would be wings on birds and bats.
know vocab words
...
Evolutionary systematics is more useful than cladistics when scientists ______.
know how a trait affects the life of an organism
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