Natural Selection
What is Natural Selection?
Survival and reproduction of organisms best suited to their environment
What is an adaptation?
A trait that helps an organism survive and reproduce
What is Evolution?
A. Change in individual organisms during their lifetime
B. Change in species over time
C. Sudden creation of organisms
D. Movement of animals
B. Change in species over time
Which of the following is a structural adaptation?
A. A bear hibernating
B. A bird migrating
C. A giraffe’s long neck
D. A wolf hunting in packs
C. A giraffe’s long neck
What is Mrs. M's favorite store to go food shopping at?
Frys
Which of the following best describes a variation?
A. All organisms look exactly the same
B. Differences among individuals in a population
C. Organisms changing color instantly
D. A species going extinct
B. Differences among individuals in a population
Which of the following is a structural adaptation?
A. Migration
B. Hibernation
C. Thick fur on a polar bear
D. Sleeping during the day
C. Thick fur on a polar bear
Which scientist is best known for the theory of evolution?
Charles Darwin
What happens to beneficial traits over generations?
A. They disappear
B. They become more common in the population
C. They stay the same
D. They weaken organisms
B. They become more common in the population
What is Mrs. M's favorite chocolate candy?
Hershey Bar
What role does the environment play in natural selection?
A. No role at all
B. It creates traits directly
C. It selects which traits are beneficial
D. It stops evolution
C. It selects which traits are beneficial
Which is an example of a behavioral adaptation?
A. Sharp claws
B. Bird migration
C. Thick skin
D. Webbed feet
B. Bird migration
What does “survival of the fittest” mean?
A. The strongest organisms survive
B. The fastest organisms survive
C. Organisms best suited to their environment survive and reproduce
D. Only large animals survive
C. Organisms best suited to their environment survive and reproduce
Which example shows natural selection?
A. A person lifting weights
B. A population of insects becoming resistant to pesticides over time
C. A dog learning a trick
D. A plant growing taller in one day
B. A population of insects becoming resistant to pesticides over time
What is Mrs. M's favorite Mexican resturant located in Queen Creek?
Macayo's
Which organism is most likely to survive?
A. One with traits poorly suited to the environment
B. One with no variation
C. One with traits that improve survival and reproduction
D. One that never reproduces
C. One with traits that improve survival and reproduction
What is mimicry?
A. Changing color instantly
B. Copying the appearance of another organism
C. Hunting in groups
D. Living underground
B. Copying the appearance of another organism
Which of the following provides evidence for evolution?
A. Fossils
B. Similar body structures in different species
C. DNA similarities
D. All of the above
D. All of the above
Which of the following is a physiological adaptation?
A. Long legs
B. Running fast
C. Regulating body temperature
D. Flying south for winter
C. Regulating body temperature
What month is Mrs. M's B Day?
May
What is fitness in terms of natural selection?
Ability to survive and reproduce
How do adaptations arise?
A. Organisms choose them
B. Through Natural Selection acting on variation
C. From exercise
D. From weather changes alone
B. Through Natural Selection acting on variation
What is speciation?
A. The death of a species
B. Formation of new species
C. Movement of species
D. Adaptation of one organism
B. Formation of new species
Why do desert animals often have large ears?
A. To hear better only
B. To store water
C. To release heat and stay cool
D. To dig faster
C. To release heat and stay cool
What is Mrs. M's favorite place to vacation in Arizona?
Lake Havasu