Vocabulary
Charles Darwin
Case Studies
Natural Selection
A
A
Natural Selection
B
B
100
The process by which species cease to exist is
What is extinction?
100
Who was the scientist who is best known for the Theory of Evolution through Natural Selection
Who is Charles Darwin?
100
Yellow beetle and green beetles live in the rainforest canopy. What what will happen to this population?
The green population will increase and the yellow will decrease
100
What is another term for "survival of the fittest"?
What is Natural Selection?
100
Nature chooses organisms that are ____________.
Stronger or more fit?
200
The process where organisms more adapted to the environment survive and reproduce
What is natural selection?
200
Where did Charles Darwin explore and make observations about giant tortoises?
What is the Galapagos Islands?
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
Variations that are favorable become known as _____________.
What is adaptation?
300
What is a change in a gene that results in a new trait?
What is a mutation?
300
Where did Darwin's voyage embark from?
What is England?
300
In an arctic environment, which would survive longer: red foxes or white foxes?
White foxes
300
What would happen if the environment changes drastically and no organisms have fitting adaptations?
The species could go extinct
300
Over a long period of time with natural selection, organisms will eventually _____ into new species.
What is evolve?
400
A TRAIT that helps an organism to survive and reproduce in its environment
What is Adaptation?
400
After traveling to the Galapagos Islands, Darwin noticed a variation in tortoises. This variation was a result of:
The environment - dry or humid - affecting food sources
(Humid environment - Low food - short neck)
(Dry environment - High food - long neck)
400
A group of fish have been observed to show changes in mouth structure over many generations. What is this change a result of?
Fish adapting to the food source for survival.
400
What are the two most important parts of natural selection?
What is survive and reproduce?
400
Natural selection works ______________ weaker members of a population.
What is against?
500
When animals use their color to blend in with the environment and hide from predators
What is camoflauge?
500
Before Darwin... How did people think organisms on Earth were created?
What is a divine force, like God?
500
In in the Sahara, what did natural selection do for giraffes?
What is created giraffes with longer necks?
500
Differences among a species, large or small.
What is variation?
500
When a predator is not present, what other factors determine an organism's survival?
Environment or food source