Vocabulary
Natural Selection
A
A
Natural Selection
B
B
Natural Selection
C
C
Evidence of Evolution
100
The process by which species cease to exist is
What is extinction?
100
Yellow beetle and green beetles live in the rainforest canopy. You would expect:
What is the green population will increase and the yellow will decrease?
100
What is a key mechanism of evolution?
What is Natural Selection?
100
Darwin observed that the shape of these finches _________ were well matched with the seeds available in their own distinct environment.
Beaks
100
The process through which species change over time
Evolution
200
The process by which individuals that are better adapted to their environment survive and reproduce more successfully than less well adapted individuals
Natural Selection
200
What is most likely to happen to moth populations in the picture shown?
Dark moths--hunted easily, dark moths--population decreases.
200
Does natural selection typically take a long time or a short time?
What is a Loooooooooooooooooooooooooooooooooooooong time?
200
Farmers and horticulturalists bred broccoli, cauliflower, kale, and cabbage from the wild mustard plant through
What is artificial selection?
200
Preserved remains of once-living organisms
Fossil
300
What is a change in a gene that results in a new trait?
What is a mutation?
300
Evidence of the changes in a species' physical characteristics over long geological periods can best be shown through a study of
What is the fossil record
300
In an arctic environment, which would survive longer: red foxes or white foxes?
White foxes
300
This is how giraffes evolved long necks.
More long-necked giraffes survived to pass on their genes.
300
Body parts in different species that share a similar structure, suggesting they evolved from a common ancestor, even if they have different functions.
What is homologous structures?
400
A TRAIT that helps an organism to survive and reproduce in its environment
What is Adaptation?
400
What would happen if the environment changes drastically and no organisms have fitting adaptations?
What is a species could go extinct?
400
The trees these moths used to live on were white, but have been covered in soot from coal factories. Which moth will be more successful in this environment?
Dark moth
400
Can an organism "CHOOSE" to evolve and change?
No, organisms CANNOT CHOOSE to change their genes or traits!
400
How is DNA used as evidence of evolution?
DNA is shared in related species, showing common ancestry.
500
The occurrence of hereditary or nonhereditary differences between different individuals of a population
Variation
500
Name Darwin's four postulates for evolution by natural selection.
What is overproduction, variation, competition, and inheritance.
500
After traveling to the Galapagos Islands, Darwin noticed a lot of variation among beak sizes in Finches. This variation was a result of:
Developing different adaptations that are suited to different habitats and diets.
500
Darwin began to hypothesize that organisms developed traits over time because of the differences in their ___________.
Environments / habitats
500
Name an example of a homologous structures between a human arm and another species's body part.
Whale flipper, bat wing, cat leg