Unit 8 Targets 2 And 3: Evolution Quiz

15 Questions | By Jdowdyrobinson | Updated: Mar 17, 2022 | Attempts: 425

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Unit 8 Targets 2 And 3: Evolution Quiz - Quiz

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1.

A biologist hypothesizes that biological evolution is occuring in a certain population of freshwater fish she is studying. To support this hypothesis, the biologist would need to document a change in which of the following?
- A.
  
  Size of individual fish over their lifetime
- B.
  
  Size of the population of fish over the course of her study.
- C.
  
  Frequency of alleles in the population over the course of her study
- D.
  
  Frequency of predation on members of the population over the course of her study
2.

Horse skeleton fossils indicate that the size of horses increased over time. Which statement best explains this fossil record?
- A.
  
  Smaller horses bred with larger horses, creating hybrids.
- B.
  
  Smaller horses were infected by a fatal virus early in their history.
- C.
  
  Larger horses consumed the food supply of the smaller horses.
- D.
  
  Larger horses produced a slightly greater number of surviving offspring.
3.

Which of the following is a theory?
- A.
  
  An educated guess
- B.
  
  A very specific prediction
- C.
  
  Observation made during the Voyage of the Beagle
- D.
  
  A broad explanation that has been scientifically tested and supported
4.

What does evolution mean in biology?
- A.
  
  Change in species over time
- B.
  
  Change in individuals over time
- C.
  
  Change in theories over time
- D.
  
  Change in ecosystems over time
5.

Evolution can be defined as the genetic change in
- A.
  
  species.
- B.
  
  Environmental variation.
- C.
  
  Chromosomal drift.
- D.
  
  Natural selection.
6.

Darwin thought that the plants and animals of the Galápagos Islands were similar to those of the nearby coast of South America because
- A.
  
  Their ancestors had migrated from South America to the Galápagos Islands.
- B.
  
  Other scientists in South America had written about similar species.
- C.
  
  The island organisms had the same nucleotide sequences in their DNA as the mainland organisms.
- D.
  
  He found fossils, proving that the animals and plants had common ancestors.
7.

The Galápagos finches are adapted to their environment because they have
- A.
  
  Not changed.
- B.
  
  Migrated.
- C.
  
  Evolved.
- D.
  
  Hibernated.
8.

Natural selection is the process by which
- A.
  
  Change occurs in the genetic characteristics of individuals that live together in an environment from one generation to another
- B.
  
  Organisms with traits well-suited to their environment reproduce at a greater rate than less well-adapted organisms in the same environment.
- C.
  
  Use and disuse of a characteristic leads to evolutionary change.
- D.
  
  Baseball players pass on the trait for strong arm muscles to children.
9.

When a farmer breeds only his or her best livestock, the process involved is
- A.
  
  Natural selection.
- B.
  
  Artificial selection.
- C.
  
  Artificial variation.
- D.
  
  Survival of the fittest.
10.

Charles Darwin called the ability of an organism to survive and reproduce in its environement
- A.
  
  Diversity.
- B.
  
  Fitness.
- C.
  
  Adaptation.
- D.
  
  Evolution.
11.

Darwin's theory of evolution suggest that
- A.
  
  Species change over time.
- B.
  
  Extinct species are not related to living species.
- C.
  
  Different species can interbreed.
- D.
  
  Animals that look alike are the most closely related.
12.

Which phrase best defines evolution by natural selection?
- A.
  
  As adaptation of a species to its environment
- B.
  
  A sudden replacement of one population by another
- C.
  
  Changes in a species as it becomes more perfect
- D.
  
  A process of change in species over time
13.

According to the biological species concept, when comparing 2 populations (Population 1 and Population 2), which of the following most likely indicates that Population 1 and Population 2 are the same species?
- A.
  
  Individuals from Population 1 are the same color as individuals from Population 2.
- B.
  
  Individuals from Population 1 consume the same species of prey as individuals from Population 2.
- C.
  
  Population 1 actually interbreeds with or has the potential to interbreed with Population 2.
- D.
  
  Population 1 inhabits the same general area as Population 2
14.

A species is defined as organisms that have the ability to __________.
- A.
  
  Reproduce
- B.
  
  Look the same
- C.
  
  Produce sterile offspring
- D.
  
  Produce fertile offspring
15.

Dr. Romero is raising 3 types of damselfishes in separate aquariums: 2 from the Atlantic Ocean and 1 from the Pacific Ocean. This table summarizes the information she gathered through observations and breeding experiments.Based on the most commonly accepted definition of a species, how many different species of damselfishes is Dr. Romero raising, and which fish are they?
- A.
  
  1 species: Fish A, B, and C are all members of the same species.
- B.
  
  2 species: Fish A and B are the same species; Fish C is a separate species.
- C.
  
  2 species: Fish A and C are the same species; Fish B is a separate species.
- D.
  
  3 species: Fish A, B, and C are all members of separate species.