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Darwin’s Theory of Evolution The Puzzle of Life’s Diversity Chapter 15-1. Image from: Biology by Miller and Levine; Prentice Hall Publishing ©2006. WRITE A DEFINITION:. ________________ :. change over time; the process by which modern organisms have descended from ancient organisms.

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Darwin s theory of evolution the puzzle of life s diversity chapter 15 1 l.jpg

Darwin’s Theory of EvolutionThe Puzzle of Life’s DiversityChapter 15-1

Image from: Biology by Miller and Levine; Prentice Hall Publishing©2006


Write a definition l.jpg
WRITE A DEFINITION:

________________:

change over time; the process by which modern organisms have descended from ancient organisms

_______________

a well-supported testable explanation of phenomena that have occurred in the natural world

_______________:

the preserved remains of ancient organisms


Slide3 l.jpg

http://www.millan.net

REMEMBER !

The total variety of all the organisms in the biosphere

= ________________

Where did all these different organisms come from?

How are they related?


Slide4 l.jpg

What scientific explanation can account for the diversity of life?

ANSWER:

A collection of ______________,

__________, and ___________ known as

________________________


Slide5 l.jpg

http://harrier.users.netlink.co.uk/Darwin_sm.jpg life?

The person who contributed the

most to our understanding of

evolution was

______________________

In 1831, at age 22, he joined the crew of

the _______________ as a naturalist for

a ________ voyage around the world.

Image from: Biology by Miller and Levine; Prentice Hall Publishing©2006


Slide6 l.jpg

During his travels, Darwin wrote thousands life?

of pages in his journals, drew pictures of

the things he saw, and collected a vast

amount of ______________ that led him

to propose a _______________________

about the way _____________.

http://www.elsie.brandeis.edu/images/journals.gif

http://www.24hourmuseum.org.uk/chg/content/images/2003_2233.JPG


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DARWIN WONDERED? life?

Wy do Argentina and Australia have ________

______ even though they have ________

grassland ____________?

Why are there no ______ in Australia and

no ________ in England?

Why have so many species

disappeared?

How are these ______ species

related to living species?

http://www.rc.umd.edu/praxis/mitchell/images/dinosaur1.gif


Slide8 l.jpg

Who Was Charles Darwin? life?

While on his voyage around the world aboard the ____________, Charles Darwin spent about one month observing life on the ____________________.

There, he encountered some unique animals, such as _______ and _________.

http://www.darwinadventure.com/pictures/galapagos_giantortoise.jpg

http://mikebaird.com/ecuador/images/galapagos_off_ecuador_ng_map.jpg


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The Gal life?άpagos Islands are close together but have very different ________.

Some were hot and dry, with little vegetation.

Others had more rainfall and were rich in vegetation

Each island had

its own ______

_________ of

plant and animal

species.

Biology by Miller and Levine; Prentice Hall Publishing©2006


Giant tortoises of the gal pagos islands l.jpg
Giant Tortoises of the Galápagos Islands life?

Section 15-1

and on Pinta Island, tortoise necks

were somewhere in between

Pinta

Tower

Marchena

Pinta IslandIntermediate shell

James

Fernandina

Santa Cruz

Isabela

Santa Fe

Hood Island

Saddle-backed shell

Floreana

Hood

On the desert-like Hood Island,

tortoises had long necks…

Isabela Island

Dome-shaped shell

…while on the lush rainforest of Isabela Island,

tortoises had short necks…


Slide11 l.jpg

Biology by Miller and Levine; Prentice Hall Publishing©2006 life?

After his voyage, Darwin spent a great deal of time thinking about his findings.

He began to wonder if animals living on

different islands had once been members

of the ______________ that had

developed___________ characteristics

after becoming ________ from one

another in different habitats.


Darwin s theory of evolution ideas that shaped darwin s thinking chapter 15 2 l.jpg

Darwin’s Theory of Evolution life?Ideas that Shaped Darwin’s ThinkingChapter 15-2

Image from: Biology by Miller and Levine; Prentice Hall Publishing©2006


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Ideas that shaped Darwin’s thinking: life?

In 1785 ______________

proposes that the EARTH

was ________ by

_________________

occurring over

__________ periods of

time, and is

_______________ old.

http://www.creationism.org/books/TaylorInMindsMen/TaylorIMMc03.htm


Slide14 l.jpg

Ideas that shaped Darwin’s thinking: life?

In 1833 _______________

explains that the geological

processes still ___________

have shaped Earth’s

features over

_________________

http://www.biologydaily.com/biology/Sir_Charles_Lyell


Slide15 l.jpg

Ideas that shaped Darwin’s thinking: life?

SINCE THEN_____________________

_____________________

_____________________

http://wrgis.wr.usgs.gov/docs/usgsnps/animate/A08.gif


Slide16 l.jpg

http://www.wasatchcomputers.net/gallery/elk_fight.jpg life?

Living things must compete for food, shelter, space, mates

REMEMBER !Chapter 3

_____________________


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http://www.nndb.com/people/250/000024178/malthus.jpg life?

Ideas that shaped Darwin’s thinking:

__________________

He observed that babies were being born

faster than people were dying. He

reasoned that if the human population

continued to grow, sooner or later there

would be __________________________


Slide18 l.jpg

http://www.educa.rcanaria.es/fundoro/00.corsi.htm life?

Ideas that shaped Darwin’s thinking:

__________________

was one of first scientists

to recognize living things

________________ and that

all species were ___________ from

other species.

Lamarck published his hypothesis of

_________________________________

the year Darwin was born.


Slide19 l.jpg

The male fiddler crab uses its life?

front claw to _________mates and fight off _____________.

Through _________ use, the front claw becomes ________.

The fiddler passes on this __________ characteristic to its offspring


What s wrong with lamarck s hypothesis l.jpg

http://www.geocities.com/arnold_schwarzenegger_pictures/ life?

What’s wrong with Lamarck’s hypothesis?

Lamarck didn’t know about

genes and how traits are _______.

If you lifted weights your

whole young adult life, and

then you had children, would

your kids be more muscular?

NO! ________ traits can ____ be __________ to their offspring.


What s right with lamarck s hypothesis l.jpg
What’s right with Lamarck’s hypothesis? life?

Lamarck was first to

develop a scientific

hypothesis about

______________

and recognize that

organisms are

___________________________

http://pegasus.cc.ucf.edu/~he599900/giraffeeating.jpg


Slide22 l.jpg

Match the letter of the idea with life?

the man or men who proposed it:

Malthus

Hutton

Lamarck

Lyell

  • The earth is really old, and slowly changes

  • Living things pass acquired changes on to their offspring

  • Sooner or later growing populations run out of resources

  • Living things change slowly over time because of competition for resources, and pass those changes on to their offspring


Concept map l.jpg
Concept Map life?

Section 15-3

Evidence of Evolution

includes

which is composed of

which indicates

which implies

which implies


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