EOC Review Evolution And Ecology Question Preview (ID: 37755)
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What are homologous structures?
a) structures like forelimbs that do not look alike but share similar bone structure and show common ancestry
b) Structures like fins that look similar but have different bone structure and show different ancestry
c)
d)
What are analogous structures?
a) structures like forelimbs that do not look alike but share similar bone structure and show common ancestry
b) Structures like fins that look similar but have different bone structure and show different ancestry
c)
d)
What are vestigial organs?
a) organs found in multiple animals
b) organs that serve a function that is vital to life
c) organs like the spleen that clean the blood
d) organs that are present but no longer in use
Who's idea was the idea of evolution by natural selection?
a) Darwin
b) Lamark
c) Malthus
d) Lyell
Who proposed that organisms can change themselves in their lifetime then pass on the change?
a) Lamark
b) Darwin
c) Lyell
d) Malthus
When one species splits into two it is called what?
a) natural selection
b) darwinism
c) speciation
d) survival of the fittest
When species cannot mate do to a mountain or lake separating them it is called ________________
a) temporal isolation
b) behavioral isolation
c) geographical isolation
d) physical isolation
If DNA sequences between two species matches to about 90% what does that mean?
a) they are less related
b) they are more related
c) its says nothing
d) none of the above
When things change over time it is called _____________________
a) speciation
b) natural selection
c) darwinism
d) evolution
When species evolve into whole new species that look completely different it is called ___________________ (example is reptiles to birds)
a) microevolution
b) macroevolution
c) darwinism
d) none of the above
When species evolve into a new species that look and act similar it is called ___________________ (example wolves to domesticated dogs)
a) microevolution
b) macroevolution
c) darwinism
d) none of the above
Factors in an ecosystem that are living are called ___________ _____________
a) biotic factors
b) abiotic factors
c) eukaryotes
d) prokaryotes
Factors in an ecosystem that are non-living are called ___________ _____________
a) none of these
b) eukaryotes
c) biotic factors
d) abiotic factors
A group of the same species is called ______________________
a) organism
b) a community
c) a population
d) ecosystem
A group of different organisms living together is called _____________
a) a community
b) a population
c) an ecosystem
d) organism
When species cannot mate because they have different mating seasons it is called _________________
a) temporal isolation
b) behavioral isolation
c) geographical isolation
d) physical isolation
As you move up the energy pyramid what happens to the amount of energy?
a) increases
b) decreases
c) stays the same
d) none of the above
How much energy is kept from one level of the food chain to the next?
a) 100%
b) 10%
c) 1%
d) 0%
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