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Evolution
Chapter 2 Bio 11 bc school curriculum
11
Biology
11th Grade
11/07/2011

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Term
convergent evolution
Definition
an animal looks similar to another becuase they both evolved in a similar inviroment
Term
Pangea
Definition
a super continentthat contained are modern continent between
Term
extinction
Definition
the perminante disaperence of a spicies
Term
dinosour extinction theories
Definition
1 ice age
2 they failed to evolve as fast as plance and could not eat them
3 smaller creatures out compeated them and ate thier egg
4 an astroid ruined thier atmosphere (most excepted)
Term
why whooping cranes are in trouble
Definition
they only lay two eggs and one eats another (a year)
they have long migration ruits that humans interfierd with
Term
how many spieces go extinct in a year
Definition
20,000
Term
did extinction happen befor humans
Definition
yes but not nerly as much
Term
whats derect and inderect evidence
Definition
erect comes from fossils and rocks
indirect comes from geographic distribution
Term
whats phylogeny
Definition
evolution history
Term
divergent evolution
Definition
spieces evolve into difrent spieces
Term
ebriology is the study of...
Definition
erly stages of development of an organism
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