Download Chapter 10 Study Guide SECTION 1: Early Ideas about Evolution

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BIOLOGY PREAP/GT
Chapter 10 Study Guide
SECTION 1: Early Ideas about Evolution
Match each scientist with the statement that best reflects his ideas
about evolutionary theory.
1. Linnaeus
a. Species don’t become extinct but instead
evolve into different forms in response to
changes in the environment.
2. Lamarck
b. More complex forms of life evolved from
less complex forms.
3. Darwin (Erasmus)
c. Earth is much older than previously
thought.
4. Buffon
d. Organisms can be classified according to
their similarities.
Choose the best answer for the statement or question.
5. To be considered members of the same species, organisms must be able
to
a. look alike.
b. reproduce together and have fertile offspring.
c. live in the same habitat.
d. eat the same types of food.
6. What is incorrect about Lamarck’s theory of how organisms evolve?
a. He did not explain how traits were passed on to offspring.
b. He did not explain why an animal would need to develop new traits.
c. He did not explain why changes in the environment caused an
organism’s behavior to change.
d. He did not explain how competition might help animals to develop traits.
7. Which scientist developed a system for classifying organisms that is still
used today?
a. Carolus Linnaeus
b. Georges Louis LeClerc de Buffon
c. Erasmus Darwin
d. Jean-Baptiste Lamarck
8.Write the names of the theories next to their descriptions.
James Hutton
Geologic Theory
Charles Lyell
Thomas Malthus
Description
The idea that changes on Earth occurred by small steps
over long periods of time - gradualism
The idea that resources such as food, water, and
shelter were natural limits to population growth [page
293]
The idea that geologic processes add up over long
periods of time to produce great change uniformitarianism
Vocabulary Check
Fill in the blank with the word or phrase that best completes the
sentence.
9. A trace of an organism that existed in the past is called a
__________________________.
10. __________________________ is the process of biological change by
which descendants come to differ from their ancestors.
11. Events such as volcanoes, floods, and earthquakes are the basis of
___________________________________.
12. ____________________________ can be summarized by the phrase “the
present is the key to the past.”
Who’s Who?
Linnaeus
Lamarck
Buffon
E. Darwin
_________________
13. Charles Darwin’s poetic grandfather
_________________
14. Thought that a giraffe’s long neck evolved from
reaching high in trees
_________________
15. Grouped living organisms into categories based
on what they looked like
_________________
16. Wrote Histoire Naturelle (Natural History) in 1749
SECTION 2: Darwin’s Observations
Choose the best answer for the question.
1. What is variation among members of different species called?
a. adaptation
b. geologic change
c. interspecific variation
d. intraspecific variation
2. What is variation among members of the same species called?
a. adaptation
b. geologic change
c. interspecific variation
d. intraspecific variation
3. What island chain in South America was the source of many of
Darwin’s insights?
a. The Antipodes Islands
b. The Galápagos Islands
c. The Falkland Islands
d. The Canary Islands
4. Darwin saw populations of various species that seemed well-suited to their
environment. What did this suggest?
a. The species Darwin saw were all related to each other.
b. Species had been introduced to particular areas by humans on purpose.
c. Species might be able to adapt to their surroundings over time.
d. Some environments rarely ever change.
Choose whether the statement is true or false.
5. true / false Darwin theorized that the fossils of huge animals such as
Glyptodon, a giant armadillo, which looked similar to armadillos in
Darwin’s time, showed that living species were related to older ones.
6. true / false Darwin’s discovery of marine organisms high in the mountains
led him to think that ancient peoples had carried sea animals from the
seaside up into the mountains.
7. true / false Darwin thought that Earth must be much older than scientists
previously thought.
8. true / false If Earth was much older than previously thought, Darwin knew
there had been time for species to evolve gradually.
Vocabulary Check
Fill in the blank with the correct term from the box.
variation
adaptation
_______________ 9. the difference in the physical traits of an individual from
those of other individuals in the group to which it
belongs
_______________ 10. a feature that allows an organism to better survive in its
environment
_______________ 11. A tortoise population lives in an area with high grass.
These tortoises have longer necks than tortoises that
live in other areas. The long necks of the tortoises are
an example of ______.
_______________ 12. One bird in a population has a slightly thicker beak
than its relatives. The bird’s thicker beak is an example
of __________ in the population.
SECTION 3: Theory of Natural Selection
VOCABULARY
artificial selection
natural selection
heritability
population
fitness
Choose the best answer to the question.
1. Why did artificial selection interest Darwin?
a. He hoped that humans might be able to breed for certain characteristics
in animals.
b. He wondered whether artificial selection could explain differences in species in nature.
c. He theorized that animal and plant breeders had once visited the
Galápagos Islands.
d. He had noticed that humans could breed for certain characteristics in animals.
2. Why must selected traits be heritable?
a. If a selected trait is not heritable, it cannot be passed down to the next generation.
b. Heritable traits are those traits that farmers and breeders consider worth passing on.
c. Heritable traits are common in domesticated animals that are used in breeding.
d. A selected trait that is heritable is likely to make an animal easier to domesticate.
3. In natural selection, what must be true of traits that are passed down through
generations?
a. The trait must be one that members of the species like and enjoy.
b. The trait must be one that members of the species have chosen to reproduce.
c. The trait must be one that gives an advantage to certain individuals.
d. The trait must be one that does not give an advantage to any
particular individuals.
4.What important idea from Thomas Malthus inspired Darwin?
a. Disease and a limited food supply keep the population smaller.
b. The plants and animals that are strongest are the ones that will survive
adverse conditions.
c. Plants and animals are capable of inheriting characteristics from
their parents.
d. Species are more likely to adapt if they are subjected to
varying environments.
Fill in the blank with the correct word or phrase from the box.
variation
overproduction
adaptation
descent with modification
______________ 5. producing many offspring, some of which may not survive
______________ 6. individual differences that may be heritable
______________ 7. a certain variation well-suited for the environment
______________ 8. a heritable trait becoming common in a population
Match the four principles of natural selection with the statements that
illustrate each.
9. overproduction
a. Large teeth and jaws become more
common in jaguars because they are
heritable characteristics.
10. variation
b. Jaguars with large teeth and jaws survive
longer because they can eat shelled reptiles.
11. adaptation
c. By chance, some jaguars are born with
slightly larger teeth and jaws.
12. descent with
modification
d. A jaguar may produce many offspring, but
because of competition, not all of them will
survive long enough to reproduce.
Circle the word or phrase that best completes the sentence.
13. Peter and Rosemary Grant observed natural selection acting on traits within
a population of finches on the Galápagos Islands. A drought reduced the
number of small, soft seeds but left plenty of large, tough-shelled seeds
intact. The next year there was a(n) increase / decrease in the number of
large-beaked hatchlings.
14. After several years, the supply of large seeds went down after an unusually
wet period. The increase in small, soft seeds brought a(n) increase / decrease
in the number of large-beaked hatchlings the following year.
Vocabulary Check
Circle the word or phrase that best completes the sentence.
15. Humans are the selective agent in artificial selection / natural selection.
16. The environment is the selective agent in artificial selection /
natural selection.
17. The measure of the ability to survive and produce more offspring relative
to other members of the population is called fitness / overproduction.
18. The ability of a trait to be passed down from one generation to the next
is called adaptation / heritability.
19. All the individuals of a species that live in an area are called the
population / variation.
20. Artificial / Natural selection occurs when humans deliberately breed
for certain characteristics.
21. Artificial / Natural selection occurs when individuals with beneficial
adaptations produce more surviving offspring than other individuals
of the same species.
SECTION 4: Evidences of Evolution
anatomy
embryology
fossils
geography
In the diagram below, fill in the type of evidence below the examples.
1. Traces of ancient animals are
found in rock layers.
______________________
2. Species in one area may match
species in another area that is
separate but still nearby.
______________________
Evidence for evolution
in Darwin’s time came
from several sources.
3. Two different species may have
larvae that are very similar.
______________________
4. The body parts of different
species may have
homologous structures.
______________________
5. Why is it significant that the vertebrates share several developmental
homologies?
Choose the word or phrase that best completes the sentence or
answers
the question.
6. Pelvic bones in snakes are an example of a(n)
a. homologous structure.
b. analogous structure.
c. vestigial structure.
d. fossil.
7.What conclusion can you draw from the fact that many modern whale
species have vestigial pelvic and leg bones?
a. The ancestors of whales may have been land mammals.
b. Whales could walk if they wanted to.
c. Whales are preparing to evolve into land mammals.
d. Some day whales will be able to walk and will have legs.
Vocabulary Check
Fill in the blank with the correct phrase from the box.
analogous structure
homologous structure
vestigial structure
_______________
8. Feature that is similar in structure in different organisms but has
different functions
_______________
9. Feature that performs a similar function in different organisms but is
not similar in origin
_______________
10. Feature that is not evidence of a common ancestor
_______________
11. Remnant of an organ or structure that had a function in an early
ancestor
_______________
12. Examples include the wing of a bat and the hand
of a human
_______________
13. Examples include the wing of a bird and the wing of an insect
_______________
14. Examples include the wing of an ostrich and the appendix of a human
Sketch it Out
Use Figure 4.4 to sketch a skeleton of a human hand next to the whale
fin skeleton shown below. Draw lines to match the groups of bones that
are homologous for these two structures.
A
B
C
D
SECTION 5: Evolutionary Biology Today
Match each concept with its contribution to evolutionary theory.
DNA sequence analysis
protein comparisons
Molecular Evidence
Contribution to Evolutionary Theory
1.
The more related two organisms are, the more
similar their DNA will be.
2.
The basis of molecular fingerprinting, which
compares proteins among cell types
Choose whether the statement is true or false.
3. true / false Scientists are still actively studying evolution through
natural selection.
4. true / false Genetic evidence shows that whales never had ancestors
living on land.
5. true / false The principles of evolution also affect the fields of medicine,
geology, geography, chemistry, and ecology.
Vocabulary Check
Choose whether the statement is true or false.
6. true / false Paleontologists can never find out anything new.
7. true / false The study of fossils can help us to understand how
evolution occurs.
Sketch it Out
Look at the fossil evidence of whale evolution shown in Figure 5.3 in
this section or your textbook. Sketch one part of the skeletons (such as
the skull, forelimbs, hindlimbs, or ribcages) of each of the whale
ancestors.