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Natural Selection
Vocabulary
Galapagos
Charles Darwin
Evolution
100
All of the following execept ___________ affect natural selection. a. Overproduction b. competition c. variation d. imagination
What is imagination?
100
______________ involves small changes that add up to major changes over a long period of time.
What is gradualism.
100
The Galapagos Islands are located near its coast.
What is Ecuador?
100
Darwin sailed to the Galapagos on this ship.
What is the HMS Beagle.
100
_____________ is a gradual change in a species over time.
What is Evolution.
200
___________ are traits that are different in members of the same species.
What are variations?
200
Any difference between members of the same species is called a ________________.
What is a variation?
200
Darwin determined that organisms on the Galapagos had _____________ over time.
What is changed?
200
Charles Darwin was from this country.
What is England?
200
The closer two species DNA sequences are, the more closely related they are. (True or False)
What is True.
300
The name for a trait that helps an organism survive and reproduce.
What is an adaptation?
300
Fossils, DNA, and Early development all support evidence of _______________.
What is evolution.
300
The animals on the Galapagos were all frightened by the first humans they encountered (true/false).
What is false, they lost the instinct of fear, as they had no predators on their secluded islands.
300
Darwin noticed that finches' __________ were adapted to their food source.
What are beaks?
300
It is True or False that when a donkey and a horse cross to have a mule offspring, that it is of the same species. Explain.
What is False? While a donkey and horse can mate and reproduce, their offspring (the mule), is sterile, thus cannot reproduce.
400
During the process of Natural selection , helpful __________ accumulate among the surviving species. a. overproduction b. variations c. selections d. ipads
What are variations?
400
The process in which individuals that are better adapted to their environment are more likely to survive and reproduce is called ___________________.
What is natural selection.
400
Iguanas on each of the Galapagos islands had this adaptation.
What is an iguana's color?
400
Darwin wrote the "Orgin of ____________", which proposed that all organisms evolve.
What is species?
400
When a community become isolated from the rest of its species for a long time, this may happen: a. it grow more slowly b. a new species may form c. competition will decrease d. no effect
"A new species may form" when ...
500
The only traits that can be controlled by natural selection are traits that can be controlled by ________________. a. variations b. behavior c. genes d. Charles Darwin
What are genes.
500
Similar structure that related species have inherited from a common ancestor are known as _____________ structures.
What are homologous structures?
500
On the Galapagos, Darwin found many different species, which represent a great amount of ________________.
What is diversity?
500
Charles Darwin was formerly educated not as a doctor, but as a _____________.
What is a minister.
500
It is true or false that a marathon runner will pass her increased lung capacity on to her offspring.
What is false. Only genes are passed, the increased capacity is the result of a behavioral change, not genetic.