Evolution Unit Pre-assessment (Grade 8)
Evolution Unit Pre-Assessment (Grade 8)
- 1.Which statement best describes evolution (Standard 3.1a)?
- A.
Evolution is a predictable change from simple to complex organisms.
- B.
Evolution is a process of change through time.
- C.
Evolution often proceeds from complex to simpler organisms.
- D.
Evolution causes organisms to develop characteristics they need.
- E.
Evolution explains how monkeys transformed into humans.
- 2.Variations within species are most likely the result of (Standard 3.1 b).
- A.
Mutations and sexual reproduction
- B.
Mitosis and asexual reproduction
- C.
Overpopulation and recombination
- D.
Synapsis and disjunction
- E.
Genetic engineering and gene therapy
- 3.Mutations are considered a basis for evolution because they (Standard 3.1c).
- A.
Result in variation among organisms
- B.
Occur in body cells instead of egg or sperms
- C.
Are important unless the environment changes
- D.
Survive only if beneficial
- E.
They are created by mutagens
- 4.Mutations are (Standard 3.1d):
- A.
Random chance events that can be passed on to offspring if they occur in gametes
- B.
Nonrandom events that can be passed on to offspring if they occur in gametes
- C.
Random chance events that can be passed on to offspring if they occur in somatic cells
- D.
Nonrandom events that can be passed on to offspring if they occur in somatic cells
- E.
Nonrandom events that can be passed on to offspring if they occur in both gametes and somatic cells
- 5.Which statement best explains the decreased effectiveness of an insecticide (Standard 3.1e)?
- A.
The insecticide caused mutations that resulted in immunity in the mosquito.
- B.
Mosquitoes resistant to the insecticide lived and produced offspring.
- C.
The insecticide reacted chemically with the DNA of the mosquitoes and was destroyed.
- D.
All of the mosquitoes produced antibodies that activated the insecticide
- E.
As the mosquitoes grew older, they quickly evolved resistance to the insecticide.
- 6.Charles Darwin proposed that organism produce many more offspring than can possibly survive on the limited amount of resources available to them. According to Darwin, the offspring that are most likely to survive are those that (Standard 3.1f):
- A.
Are born first and grow fastest
- B.
Mutate faster
- C.
Are largest and most aggressive
- D.
Have no natural predators
- E.
Are best adapted to the environment
- 7.Which of the following factors increases the likelihood that at least some members of a species will survive under changed environmental conditions (Standard 3.1h)?
- A.
A population of at least 10,000 organisms
- B.
A slow mutation rate
- C.
Parents that care for their young
- D.
Interspecies competition
- E.
Variation of organisms within the species
- 8.Some behaviors such as mating and caring for young are genetically determined in certain species of birds. The presence of these behaviors is most likely due to the fact that (Standard 3.1i)
- A.
Birds do not have the ability to learn
- B.
Individual birds need to learn to survive and reproduce
- C.
These behaviors helped birds to survive in the past
- D.
Within their lifetimes, birds developed these behaviors
- E.
These behaviors were taught to them by their parents
- 9.
![Which species was the first to become extinct (Standard 3.1l) - ProProfs]( "Which species was the first to become extinct (Standard 3.1l)")
Which species was the first to become extinct (Standard 3.1l)- A.
A
- B.
C
- C.
D
- D.
E
- E.
J
- 10.
![Which species appears to have been most successful in surviving changes in the environment over time (Standard 3.1 k)? - ProProfs]( "Which species appears to have been most successful in surviving changes in the environment over time (Standard 3.1 k)?")
Which species appears to have been most successful in surviving changes in the environment over time (Standard 3.1 k)?- A.
A
- B.
B
- C.
C
- D.
D
- E.
E
- 11.Rate, on a scale of 1 – 4, 1 being the lowest and 4 being the highest, how much you already know about evolution.
- 12.Rate, on a scale of 1 – 4, 1 being the lowest and 4 being the highest, how interested are you in evolution.
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