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Populations and Evolution Flashcards | StudBud
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Populations and Evolution
Populations and Evolution
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Unit 3 Test review for EHS
Flashcards
20 cards
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Practice quiz
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Questions
20
Answers
1
What is natural selection?
Coevolution
Being really big and strong
Survival of the fittest
Develop resistance
2
What theory did Lamarck try to propose to explain evolution?
Natural Selection
Mutations
Acquired characteristics
Genetic Drift
3
Speciation is an example of ___________
Coevolution
Convergent evolution
Natural Selection
Divergent evolution
4
Why might unrelated organisms start to resemble each other over time?
Homologous structures
Mutations
Competition with each other
Similar environment
5
Which answer would be the best to explain why two organisms are closely related?
They eat the same thing
Analogous structures
They live in the same place
Share a lot of genes
6
We may use fossil evidence to explain ___________
How they traveled in their ecosystem
How organisms evolved
How their diets affected their evolution
How organisms acquired traits
7
The deeper a fossil is buried, the __________ it is
Newer
Older
Older
Older
8
What kind of growth does this picture represent?
Carrying Capacity
Boom and Bust
Exponential Growth
S-Curve
9
Which method explains natural selection the best?
The size of an organism
Learn social behaviors
Organisms learn new skills
A large variety in a population
10
Sharks and Dolphins are an example of _______________
Survival of the fittest
Divergent evolution
Natural selection
Convergent evolution
11
What is it called when the population is limited by the number of resources?
Carrying capacity
Population decline
Lag Phase
Population overshoot
12
What word describes a group of organisms that interbreed with each other?
Community
Ecosystem
Individual
Population
13
What could cause the extinction of a species?
Discovery of new medicines
Mutation of beneficial characteristics
Increase of habitat
No variation
14
What theory did Darwin try to propose to explain evolution?
Genetic Drift
Acquired characteristics
Natural Selection
Mutations
15
What does resistance mean?
Antibiotics
Mutations
To grow quickly
To have no effect on
16
Why is variation good?
It is actually bad
Increases chances of survival
Less competition
It increases competition
17
Finches on the Galapagos islands are an example of ____________
Divergent evolution
Acquired traits
Coevolution
Convergent evolution
18
Which one is not an evidence of evolution?
Biochemistry
Patterns of evolution
Fossils
Niche
19
The place that an organism lives is its _______________
Habitat
Home
Population
Biome
20
Why are bacteria able to evolve so quickly?
Biotic
Unicellular
Natural Selection
Reproduce quickly
