|Name: _________________________||Period: ___________________|
This test consists of 15 multiple choice questions and 5 short answer questions.
Multiple Choice Questions
1. What results as a climate becomes more hostile?
(a) More competition.
(b) Fewer species.
(c) Better cooperation between species.
(d) Less food.
2. What does Darwin say will happen to species that do not adapt?
(a) They become smaller in size.
(b) They are weeded out.
(c) They are stronger than others.
3. Why would one organism be able to survive in a climate that another could not?
(a) It has more fur.
(b) It has thicker skin.
(c) It is maladapted.
(d) It is better adapted.
4. What can be said about the range of species that are closely related?
(a) They are restricted.
(b) They are typically very small.
(c) They are typically large.
(d) They are unrestricted.
5. What do naturalists call a situation where a child takes on characteristics NOT shared by the parents?
6. Concerning the difficulty of defining species, sub-species, and variations, what does Darwin suggest about differences?
(a) There are no differences.
(b) They are arbitrary.
(c) Will depend on the climate.
(d) Will depend on the species.
7. As an example of a variation, what does Darwin indicate in Chapter 1 that is a change due to improved diet?
(a) Increased size.
(b) Lower intelligence.
(c) Higher intelligence.
(d) Decreased size.
8. What do some scientists say is the reason that cultivated plants do not produce seeds?
(b) Poor nutrition.
(d) Poor soil.
9. What do most organisms have a very good ability to do?
(a) Alter their biological makeup.
10. What happens when species are inter-bred?
(a) Offspring are weaker.
(b) Offspring are stronger.
(c) Variations die out.
(d) Variations increase.
11. Why does the point of possible starvation for animals occur sooner than for humans?
(a) Humans can last longer on less food.
(b) Humans artificially produce food.
(c) Humans have better hunting tools.
(d) Humans can rely on dietary supplements.
12. What would increase the likelihood of variations occurring in a given population?
(a) Dramatic environmental changes.
(b) Increase in available food.
(d) Fewer members of the species to compete with.
13. How might one explain the correlation of growth?
(a) Natural selection's way to economize.
(b) Complication in selection.
(c) A natural mistake.
(d) Natural selection changes the whole, not just a part.
14. What happens to a species if their traits and characteristics are not passed down to the next generation?
(a) They will grow.
(b) They will become unique species.
(c) They will become extinct.
(d) They will change.
15. In Chapter 4: Natural Selection, what does Darwin suggest about most variations?
(a) They are helpful for survival.
(b) They are caused by domestication.
(c) They lead to species regeneration.
(d) They are not helpful for survival.
Short Answer Questions
1. What animal does Darwin use as an example of an intermediate form of a full-land and full-flying animal?
2. What type of selection primarily affects the reproductive characteristics of a species?
3. Which term refers to a type of variation that is NOT inherited and only affects individuals?
4. What typically happens when varieties are inter-breed?
5. What would a variety do in order to become a new species?
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