Chapter 15 Theory Of Evolution Worksheet Form PDF Details

The exploration of evolution's complexities and nuances finds a practical application in educational tools such as the Chapter 15 Theory Of Evolution Worksheet form. This resource is designed to dissect and expound upon the foundational elements of evolutionary theory, as presented in Section 15.1, focusing on natural selection and evidence supporting evolution. Students are invited to critically engage with the legendary journey of Charles Darwin aboard the H.M.S. Beagle, mapping out the birth of evolutionary thought through true or false statements that challenge misconceptions about biological diversity and the uniqueness of species in isolated ecosystems like the Galapagos Islands. The worksheet further delves into Darwin's post-voyage analyses and the development of his theories, juxtaposing the concept of artificial selection with natural processes driving evolutionary change. Through carefully curated field notes, learners are tasked with categorizing observations into pivotal themes such as overproduction of offspring, variation, and the struggle for existence, thereby piecing together the mechanism of natural selection. Extending beyond Darwin's initial discoveries, the form integrates a closer examination of structural adaptations—like mimicry and camouflage—alongside a thorough investigation into various forms of evidence for evolution, including comparative anatomy, embryological similarities, and genetic markers. Such an intricate framework not only enriches students' understanding of evolution but also fosters analytical thinking by juxtaposing textbook knowledge with practical, observational exercises.

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Other nameschapter 15 the theory of evolution worksheet answer key, reinforcement evolution answer key, the theory of evolution reinforcement and study guide answers, the theory of evolution worksheet chapter 15 answers

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Inc.

NameDateClass

 

 

 

 

Chapter

 

Reinforcementi

and Study Guidei

15

The Theory of Evolution

SECTION 15.1 NATURAL SELECTION AND THE

 

EVIDENCE FOR EVOLUTION

In your textbook, read about Charles Darwin and natural selection.

For each statement, write true or false.

____________________ 1. H.M.S. Beagle, upon which Charles Darwin served as naturalist, set sail on a

collecting and mapping expedition in 1831.

____________________ 2. The environments that Darwin studied exhibited little biological diversity.

____________________ 3. By careful anatomical study, Darwin found that the many species of plants

and animals on the Galapagos Islands were unique and bore no relation to species seen in other parts of the world.

____________________ 4. The tortoises of the Galapagos Islands are among the largest on Earth.

____________________ 5. After returning to England, Darwin studied his collections for 10 years.

____________________ 6. Darwin named the process by which evolution proceeds artificial selection.

You are a naturalist who traveled to the Galapagos Islands. Below are excerpts from field notes. Next to each set of notes, write a heading. Use these choices: Overproduction of Offspring, Natural Selection, Struggle for Existence, Variation.

Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies,

7.

9.

Field Notes

Female finches found on the Galapagos Islands lay enormous numbers of eggs.

Overproduction of Offspring

__________________________________

Field Notes

Some finches’ beaks are long, some are short.The finches with long beaks are better adapted to remove the insects from the bark.

Variation

__________________________________

8.

10.

Field Notes

These finches compete for a particular species of insect that inhabits the small holes found in tree bark.

Struggle for Existence

__________________________________

Field Notes

The finches with the long beaks survive and produce greater numbers of offspring with long beaks.

Natural Selection

__________________________________

REINFORCEMENT AND STUDY GUIDE

CHAPTER 15 BIOLOGY: The Dynamics of Life 65

NameDateClass

Chapter

Reinforcementi

and Study Guidei

15

The Theory of Evolution, CONTINUED

 

SECTION 15.1 NATURAL SELECTION AND THE

EVIDENCE FOR EVOLUTION, CONTINUED

In your textbook, read about natural selection and adaptations.

Identify the type of structural adaptation that the statement describes. If the statement applies to both, write both. Use these choices: mimicry, camouflage, both.

____________________ 11. Enable(s) an organism to blend in with its surroundings

____________________

12.

Provide(s) protection for an organism by copying the appearance of

 

 

another species

____________________

13.

The coloration of a flounder that allows the fish to avoid predators

____________________

14.

Involve(s) changes to the external appearance of an organism

____________________

15.

A flower that looks like a female bee

In your textbook, read about evidence for evolution.

Complete the chart by checking the kind of evidence described.

 

Evidence

 

 

Type of Evidence

 

 

 

 

 

 

 

 

 

 

Homologous

Analogous

Vestigial

Embryological

Genetic

 

 

Structure

Structure

Structure

Development

Comparisons

 

 

 

 

 

 

 

16.

A modified structure

 

 

 

 

 

 

seen among different

 

 

 

 

 

groups of descendants

 

 

 

 

 

 

 

 

 

 

 

 

17.

In the earliest stages of

 

 

 

 

 

 

development, a tail and

 

 

 

 

 

 

gill slits can be seen in

 

 

 

 

 

fish, birds, rabbits, and

 

 

 

 

 

 

mammals.

 

 

 

 

 

 

 

 

 

 

 

 

18.

Exemplified by forelimbs

 

 

 

 

 

 

of bats, penguins, lizards,

 

 

 

 

 

and monkeys

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

19.

The forelimbs of

 

 

 

 

 

flightless birds

 

 

 

 

 

 

 

 

 

 

 

20.

DNA and RNA

 

 

 

 

 

 

comparisons may lead

 

 

 

 

 

to evolutionary trees.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

21.

Bird and butterfly wings

 

 

 

 

 

 

have same function but

 

 

 

 

 

different structures

 

 

 

 

 

 

 

 

 

 

 

 

22.

A body structure reduced

 

 

 

 

 

in function but may have

 

 

 

 

 

been used in an ancestor

 

 

 

 

 

 

 

 

 

 

 

 

Copyright © Glencoe/McGraw-Hill, a division of The McGraw-Hill Companies, Inc.

66 CHAPTER 15 BIOLOGY: The Dynamics of Life

REINFORCEMENT AND STUDY GUIDE

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