Vocabulary
Natural Selection
A
A
Natural Selection
B
B
Natural Selection
C
C
Natural Selection
D
D
100
The process by which species cease to exist is
Extinction
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 the vocabulary for "survival of the fittest"?
Natural Selection
100
the biological process by which new individual organisms- "Offspring" - are produced from their Parents
Reproduction
100
In an arctic environment, which would survive longer: red foxes or white foxes?
White foxes
200
A group of individuals of the same species lving and interbreeding within a given area
Population
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?
A long time
200
over a period of years, the average rainfall in an area decreases, causing environmental changes. What factor is the most important to give the species a chance at survival?
Variation
200
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.
300
What is a change in a gene that results in a new trait?
Mutation
300
Differences among a species, large or small.
Variation
300
Young or babies that are produced through reproduction
Offspring
300
Nature chooses organisms that are ____________.
Stronger or more fit
300
Variations that are favorable become known as _____________.
Adaptation
400
A TRAIT that helps an organism to survive and reproduce in its environment
Adaptation
400
What would happen if the environment changes drastically and no organisms have fitting adaptations?
The species could go extinct
400
After traveling to the Galapagos Islands, Darwin noticed a lot of variation among beak sizes in Finches. This variation was a result of:
Different food sources.
400
When a predator is not present, what other factors determine an organism's survival?
Environment or food source
400
Where did Darwin's study the beaks of finches??
Galapagos Islands
500
More offspring will be produced than survive.
Overproduction
500
Natural selection works ______________ weaker members of a population.
against
500
How does an organism obtain an adaptation?
It is inherited from its parents
500
What are the 5 categories of natural selection that takes place over time?
Population at the Beginning, Environment, Survival and Reproduction, Offspring and Inheritance, and Population at the end
500
Ancestors of the Galápagos finches who had large strong beaks were most likely adapted to eating?
Hard shelled seeds