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- 1. Multiple Choice
Where the better adapted organisms survive to pass traits along to offspring.
Evolution
Natural Selection
Selective breeding
Artifical Selection
- 2. Multiple Choice
Natural selection means that what is changing over time?
The inherited traits of a population.
The acquired traits of a population.
Hair color and eye color
Attractive features.
- 3. Multiple Choice
Why are favorable (advantageous) traits more likely to be passed onto offspring?
Organisms that have them are more likely to survive and reproduce.
Favorable traits come from dominant alleles.
Favorable traits come from recessive alleles.
Because the trait is an acquired phenotype.
- 4. Multiple Choice
Which organisms are most likely to survive?
the best adapted
the fastest
the strongest
the most domesticated
- 5. Multiple ChoiceDo organisms "decide" to evolve and change?Yes, they know they need to change to surviveNo, they change because of natural selection
- 6. Multiple ChoiceThe differences among a species, like different bird beaks, are calledgenes.variations.traits.theories.
- 7. Multiple Choice
Which of the following is a RANDOM process?
evolution
selective breeding
genetic mutation
natural selection
- 8. Multiple Choice
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 mothLight mothBoth will be equally successfulNeither will be successful - 9. Multiple Choice
Since the 1800s humans have stopped burning coal, and the trees have returned to their original color. What will we likely see in 50 years?
A population of mostly dark moths
A population of mostly light moths
Equal numbers of light and dark moths
All moths will become extinct from predation
- 10. Multiple Choice
What process is being shown in this image? (click the picture to make it bigger)
Description: First, there were more light mice than dark ones. More light mice got eaten, more dark mice survived. After a few years, most of the mice were dark.
Variation
Natural Selection
Selective Breeding
Homeostasis
- 11. Multiple ChoiceWhy is the mouse population changing over time?The light mice can reproduce more successfully than the dark miceThe hawks eat more dark mice than light mice because the dark mice taste betterThe hawks eat more light mice than dark mice because they can see the light mice more easilyThe hawks eat more dark mice than light mice because they can see the dark mice more easily
- 12. Multiple ChoiceThese moths are all the same species. The differences between their wings is an example of ________________Natural SelectionVariationHomeostasisExtinction
- 13. Multiple ChoiceOrganisms that are better adapted to the environment survive to pass traits to their offspringNatural SelectionHomeostasisSelective BreedingExtinction
- 14. Multiple Choice
Natural selection is where ___________ determines which traits should be passed on
nature
a human
the parent animal
the Illuminati
- 15. Multiple Choice
Mutations are important because they bring about
death of the organism in which they develop, preventing overpopulation
genetic variation needed for a population to evolve when environmental conditions change
benefits for the individual, not for the population
Hardey-Weinberg equilibrium within a population
- 16. Multiple Choice
Genetic mutations...
help an individual survive
reduce an individual's ability to survive
do not affect an individual's ability to survive
any of the above, depending on the situation / mutation.
- 17. Multiple Choice
Why do many flowers have bright colors and strong scents?
so humans and animals can enjoy them
these characteristics attract a mate for reproduction
these characteristics attract pollinators for reproduction
these characteristics are random and serve no purpose for the plants
- 18. Multiple Choice
Polar bears are carnivorous, and classified as marine mammals because they have evolved to spend much of their time in the water. What environmental condition probably led to these adaptations?
lack of available fish in the ocean
climate becoming colder
presence of predators on land
lack of available food sources on land
- 19. Multiple Choice
Roseate Spoonbills have evolved to have wide, spoon-shaped beaks. How did this adaptation probably happen?
individuals with wide beaks were more attractive to mates, and therefore reproduced more often
humans liked how wider beaks looked, so we selectively bred birds with wider and wider beaks
individuals with wider beaks confused predators that saw them, survived longer, and therefore reproduced more often
individuals with wide beaks caught more food, lived longer, and therefore reproduced more often
- 20. Multiple Choice
The table above describes characteristics of two closely related fox species (click image to enlarge). The Kit fox lives in Western North America, while the Arctic Fox lives in the Tundra of North America. What is the best explanation for the differences observed between these two species?
Table audio: https://drive.google.com/file/d/13H4gdiRhQ2k80WKYHMHyTe3Dx03IS2j2/view
The two fox species changed their genetic traits and then moved to different environments.
Changes in genetic traits occurred over many generations due to different environments.
The foxes chose to change in order to survive in their different environments.
The differences in the foxes are due to an entirely random process.
- 21. Multiple Choice
Scientists have been studying a population of wild foxes in Southern Canada over the last century. Historically, most of these foxes turned white in the winter, but a few had coats that remained brown all year long. Global warming has caused winters to become shorter and less harsh over the years, and it now snows less often in this area. What inference can be drawn from this data? (click the graph to enlarge it)
The foxes are unaffected by global warming, and the change in winter fur color is due to a random process.
the number of foxes who remain brown through the winter have decreased over the last century.
people have selectively bred foxes for brown fur, as it is more valuable in the fur trade.
as winters have become shorter and less snowy, the brown foxes were better able to camouflage and catch prey to eat and survived more often.
- 22. Multiple Choice
Selective breeding is where ___________ determines which traits should be passed on
nature
humans
the parent animal
the illuminati
- 23. Multiple Choice
Both of these animals are the SAME SPECIES. Which process explains why they look so different from each other?
natural selection
predation
selective breeding
survival of the fittest
- 24. Multiple Choice
Matilda lives on a small farm with 11 family members. Their only source of food are the lima beans she grows on her tiny farm. There's plenty of water. What is the best thing Matilda can do to keep her family fed?
selectively breed plants that produce more beans per vine.
add DNA from a cactus to her lima bean plants.
feed grandma to her kids.
Nothing, just give up and die.
- 25. Multiple Choice
Mary is a dairy farmer, just like her father and grandfather before her. Their family has kept data for all of the cows born and raised on their farm since her grandfather first started in 1906. What is the most likely explanation for the data shown in the graph?
The cows have become happier since Mary took over the farm.
The cows are producing less milk than they used to.
Natural selection has caused the cows who produce the most milk to survive and reproduce more often.
The farmers have been selectively breeding cows that produce the most milk.
- 26. Multiple Choice
A breeder records the average data on 3 generations of corn that has been bred on his farm. For which trait is the breeder most likely selectively breeding?
More blue corn kernels
Heavier ears of corn
More ears of corn per stalk
More yellow corn kernels
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