Vocabulary
What is natural selection?
Species that are best adapted to their environment are able to reproduce
In the 1900s, when there was soot intoxicating the air, what color were the moths because of natural selection?
Black
survival of the _____
Fittest
What causes evolution?
Natural selection over generations
True or False: Fossils provide evidence of evolution.
TRUE
What is an adaptation?
Any trait or characteristic that increases an organisms chance of survival
What did Charles Darwin discover?
Natural selection
Charles Darwin and his team made their most famous discoveries on the ______________ islands.
Galapagos
True or false: evolution happens quickly and can change in one generation
False
Are mutations random?
Yes
what is evolution?
When a population changes over time to better suit their environment
True or false : populations evolve, not individuals.
True
On his expedition, Darwin noticed that the Finches looked similar but all had different looking _________.
Beaks
Which animal are humans most related to?
Apes / Chimpanzees
In an arctic habitat; are white foxes or grey foxes more likely to survive and why?
White foxes are more likely to survive becase their white coats help them blend into the snow
Humans participating in selection through selective breeding of plants and animals.
How can a large variety or birds eat and live in the same area of one another without starving?
Different bird species are adapted to eat different food sources
Organisms with traits that _____ their chances of surviving and reproducing in their environment tend to leave more offspring
Increase
True or False: Evolution and survival of the fittest are the same thing?
FALSE
What does common ancestry suggest?
All species, living and extinct, are related
What are the three types of adaptations that we have studied?
STRUCTURAL
BEHAVIORAL
FUNCTIONAL
What might cause an organism to become extinct?
An organism could go extinct because its traits are no longer suited to live in a specific environment. This can be caused when the environment changes.
Natural selection over many generations creates ______
Evolution
The example of peppered moths changing color because of soot on trees is an example of natural or artificial selection?
Natural Selection
What is genetic variation?
a variety of traits in a population of species.