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Biology, Science
7th -
10thgrade
NATURAL SELECTION TEST STUDY GUIDE
30 questions
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- 1. Multiple Choice
What is the best definition of evolution?
change in spaces over time
extinction
predators eating prey
organisms turning into different species
- 2. Multiple Choice
Any trait that helps organisms survive or reproduce is called an...
ancestor
adaptation
allele
artificial selection
- 3. Multiple Choice
Who developed the theory of Natural Selection?
Albert Einstein
Isaac Newton
Charles Darwin
Carlos Mencia
- 4. Multiple Choice
Which of the following is evidence of evolution?
fossil evidence
DNA evidence
embryology
bone structure
all of these
- 5. Multiple Choice
According to this theory, organisms who are the best adapted to their environment live longer to survive and reproduce.
Natural Selection
Artificial Selection
Relativity
Conservation of Mass
- 6. Multiple Choice
The process where humans control which traits in organisms are passed down to future generations.
natural selection
survival of the fittest
artificial selection (selective breeding)
asexual reproduction
- 7. Multiple Choice
Which word means a lot of differences and is an important part of natural selection?
reproduction
competition
variations
production
- 8. Multiple Choice
Which of these is NOT an example of artificial selection?
antibiotic resistance in bacteria
seedless fruit
domesticated animals, like the dog
breeding cows for high milk output
- 9. Multiple Choice
If the embryos of organisms look similar, what does this suggest?
they are the same species
they can reproduce to make fertile offspring
they have no relation
they share a common ancestor
- 10. Multiple Choice
Which of the following is a resource that organisms complete for?
water
space
food
mates
all of these
- 11. Multiple Choice
Random changes in DNA that produce differences among organisms.
genes
chromosomes
mutations
recombination
- 12. Multiple Choice
What is a source of variation (differences) in sexually reproducing species?
mutations
loss of habitat
fossils
competition
- 13. Multiple ChoiceWhen every organism of a species has died.EvolutionNatural SelectionExtinctionArtificial Selection
- 14. Multiple Choice
A grizzly bear survives because he is well-adapted to his environment. When he reproduces he passes on those traits to his offspring. this process is called
Natural Selection
Selective Breeding
Random mutations
Variations in a species
- 15. Multiple Choice
If Easter eggs were living species of organisms, their different colors would be considered:
Adaptations
Variations
Different species
Extinct species
- 16. Multiple Choice
The peppered moth's color camouflaged it on the light colored tree bark. It's color was an example of a/n
Variation
Dominant trait
Recessive trait
Adaptation
- 17. Multiple Choice
If a sick person takes an antibiotic but it doesn't kill all of the bacteria causing the sickness, what might explain this?
Variations in the bacteria allowed some organisms to be less affected by the antibiotic?
Bacteria cannot be killed by antibiotics
You cannot cure a bacterial infection
Bacteria do not cause sicknesses
- 18. Multiple Choice
Which beak is probably best suited to crack open nuts?
1
2
3
4
- 19. Multiple Choice
One female salmon can lay hundreds of eggs. Why doesn't the salmon population increase dramatically?
Salmon reproduce asexually
Most offspring do not grow up to reproduce
Salmon eggs don't hatch
Salmon are extinct
- 20. Multiple Choice
The term fitness
is a measure of the ability to survive and reproduce.
refers to how physically fit an individual is.
means how an individual hunts for prey.
means how smart an individual is.
- 21. Multiple Choice
Which of the following examples is NOT a trait affected by natural selection?
Anatomical: Giraffes have long necks so they can reach for food in high places.
physiological: hemoglobin protein carries oxygen in all mammals
behavioral: male lions kill the offspring of other male lions
psychological: female lions hunt prey for spite
- 22. Multiple Choice
The trees that peppered moths used to live on were once white, but became covered in soot from coal factories. Which moth will be more successful in this environment?
dark moth
light moth
both will be equally successful
neither will be successful
- 23. Multiple Choice
Extinctions occur because the environment changes.
- 24. Multiple Choice
These limbs provide evidence of common ancestry because they....
have the same basic structure
Perform the same function
Are the same size
Are parts of mammals
- 25. Multiple Choice
The cave fish and minnow are related to each other but the cave fish is blind and only has the remnants of an eye. What type of structure is this?
homologous
analogous
vestigial
convergent
- 26. Multiple Choice
All these organisms have similar arm bones. What is the reason for this?
The function of these bones is the same in all animals
They live in similar environments
They have a common ancestor
All organisms resemble humans
- 27. Multiple ChoiceWhy do frogs and other organism reproduce so many eggs or offspring?so that their babies can have friends to play withthe more offspring the more likely the offspring will survivethe more offspring the less likely offspring will survivethe more offspring the less competition
- 28. Multiple ChoiceWhat is a species?A group of organisms that can mate with each other and produce fertile offspring.A group of organisms that genetically are very different from each other.A group of organisms that can mate and produce offspring even if those offspring are infertile.Indivual organisms that live in the same environment.
- 29. Multiple ChoiceDo organisms "decide" to evolve and change?Yes, they know they need to change to surviveNo, they change because of natural selection
- 30. Multiple ChoiceSomeone has a wild cat breed with a house cat in order to have a cat that looks wild but is more gentle. This is__.Genetic ModificationGene TherapyAnimal HusbandrySelective breeding
- Answer choicesTagsAnswer choicesTags