BISC 101 FINAL TEST QUESTIONS WITH
COMPLETE SOLUTIONS.
1. Which of the following is more fit?
500 year old bristle come pine tree that produced 100 off spring every year
2.All of the following are true of evolution EXCEPT
Individuals adapt their genes to improve survival
6. Natural selection that favors survival of extreme phenotype a if a population is called
Diversifying selection
3. Which is necessary for natural selection to proceed?
All of the above
8. Allele frequencies of a population can change by
All of the above
4. Natural selection causes
Change in allele frequencies within a population
5. All of the following are true of natural selection EXCEPT
It works best in genetically uniform populations
10. Frog species Nat's at diff times of the year. This is an example of which type of
reproductive isolation?
Temporal isolation
, 11.Reproductive isolation based on location or geography is referred to as
Ecological isolation
7. When extreme phenotype a are selected against and disappear, which pattern of natural
selection is at work?
Stabilizing selection
9. The biological species concept defines a species as
Members of a population that interbreed and produce fertile offspring
12. Pollen from a tomato plant lands on a grapefruit flower. The pollen fails to grow a
pollen tube. This is an example of
Gametic isolation
13. Which of the following can influence the evolution of a species,
All of the above
14. Which of the following best points to a close evolutionary relationship between 2
different species?
Both species have a very similar DNA
15. The proportion of alleles present in a gene pool is called the ____ and js an important
tool in measuring evolutionary changes.
Allele frequency
COMPLETE SOLUTIONS.
1. Which of the following is more fit?
500 year old bristle come pine tree that produced 100 off spring every year
2.All of the following are true of evolution EXCEPT
Individuals adapt their genes to improve survival
6. Natural selection that favors survival of extreme phenotype a if a population is called
Diversifying selection
3. Which is necessary for natural selection to proceed?
All of the above
8. Allele frequencies of a population can change by
All of the above
4. Natural selection causes
Change in allele frequencies within a population
5. All of the following are true of natural selection EXCEPT
It works best in genetically uniform populations
10. Frog species Nat's at diff times of the year. This is an example of which type of
reproductive isolation?
Temporal isolation
, 11.Reproductive isolation based on location or geography is referred to as
Ecological isolation
7. When extreme phenotype a are selected against and disappear, which pattern of natural
selection is at work?
Stabilizing selection
9. The biological species concept defines a species as
Members of a population that interbreed and produce fertile offspring
12. Pollen from a tomato plant lands on a grapefruit flower. The pollen fails to grow a
pollen tube. This is an example of
Gametic isolation
13. Which of the following can influence the evolution of a species,
All of the above
14. Which of the following best points to a close evolutionary relationship between 2
different species?
Both species have a very similar DNA
15. The proportion of alleles present in a gene pool is called the ____ and js an important
tool in measuring evolutionary changes.
Allele frequency
