Name ______Date ______Period ______

Evolution Test Review

1.  Where is the best place to search for fossils?

2.  What did Darwin call the combination of physical traits and behaviors that help an organism survive and reproduce?

3.  In a rock column, the fossils in the upper layers must be the (oldest, youngest)

4.  The long slow process of change in species over time is ______

5.  According to Darwin, any inherited characteristic that increases an organism’s fitness for survival is a(n) ______

6.  Scientists who specialize in the study of fossils are ______

7.  What is absolute dating? Relative dating?

8.  The wings of a bat and the front legs of a dog are examples of what kind of structures?

9.  In humans, muscles that move the ears are ______structures.

10.  The presence of 4 tiny leg bones in pythons and boa constrictors (snakes) is evidence that snakes evolved from ancestors with ______

11.  According to Darwin, the long neck and legs of the giraffe are ______

12.  How did Lyell, Malthus, Farmers and Breeders, and Lamark influence Darwin’s concept of evolution?

13.  Darwin’s finches are an excellent example of

a.  speciation

b.  genetic recombination

c.  artificial selection

d.  convergent evolution

14.  A new species usually cannot form without ______isolation.

15.  Examples of analogous structures are

16.  The first person to bring the concept of evolution to the attention of scientists was ______

17.  Lyell’s work affected Darwin’s thinking by presenting new information about

18.  A group of similar-looking organisms that breed with each other and produce fertile offspring make up are called a(n)

19.  According to Darwinian theory, evolution occurs by ______selection.

20.  Related organisms became less alike by

a.  fitness

b.  adaptation

c.  convergent evolution

d.  divergent evolution

21.  The rock pocket mice are a classic example of

22.  A species will have the best chance of survival if it

a.  destroys its niche

b.  occupies an empty niche

c.  leaves its niche

d.  shares its niche

23.  The success of an organism has in passing on its genes is called ______

24.  Since the number of humps on a camel does not seem to affect its survival, the evolution of humps probably resulted from

25.  Scientists believe that all of the species ever alive on Earth, more than _____% are now extinct.

26.  Darwin argued that if you look far enough back in time, you will see that all species have a ______ancestor.

27.  A species has the best chance of survival if it occupies an empty ______.

28.  The book in which Darwin explained his concept of evolution is ______.

29.  The time required for half the radioactive atoms in a sample to decay is its ______.

30.  The human appendix is an example of a(n) ______.

31.  Scientists can determine the age of fossils quite accurately by ______dating.

32.  Most geologists agree that the Earth is about ______years old.

33.  Scientists who specialize in the study of fossils are ______.

34.  Body parts of humans, birds, and whales that are similar in structure are ______.

35.  Scientists determine the age of fossils in relation to fossils in different rock layers by ______dating.

36.  Wings of a bird, bat, and butterfly are examples of ______.

37.  The imprints and remains of organisms that lived in the past are ______.

38.  Discuss how Lamarck, Lyell, and Malthus influenced Darwin’s theory of evolution.

39.  How did the practices of farmers (and breeders) influence Darwin’s theory of evolution?

40.  The ability to taste PTC is due to a single dominate allele "T". You sampled 362 individuals in biology, and determined that 276 could detect the bitter taste of PTC and 86 could not. Calculate

(a)  The percent of dominant alleles in the population:

(b)  The percent of recessive alleles in the population:

The percent of individuals that are

(c)  Homozygous dominant:

(d)  Heterozygous:

(e)  Homozygous recessive:

(f)  The number of individuals in the population that are homozygous dominant:

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