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Title Evidences of Evolution

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Presentation on theme: "Title Evidences of Evolution"— Presentation transcript:

1 Title Evidences of Evolution
Stations

2 Charles Darwin Station 1 (Pgs. 389-392)
-Father of -Sailed the HMS ______, which took ______ years to complete. (bottom pg. 389) -observed that _______ of plants and animals were specific to their________ surroundings. (2nd paragraph, Pg 390) Galapagos Islands (Top of page. 391) - (what did he observe about the plants and animals on the island?) Darwin: (1st para Pg. 392) -Understood that….. -realized organism’s…… -observed that…….

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5 Galapagos Tortoises (BLM 201) Read the top of Page 391 What did Darwin observe about the tortoises necks and shells in relation to their diet?

6 Station 2 Vestigial Structures Embryology
-Analyze the embryonic development of each of the animals on your worksheet. Read and answer the question atthe bottom of the page in complete sentences. -Read and answer the questions on the worksheet, “Vestigial Structures”. -Analyze the possible evolution of the whale. Identify the vestigial structure and explain why it is “vestigial”.

7 2

8 Homologous Structures
3 Station 3 Homologous Structures Analogous Structures -Analyze the examples of analogous structures -Answer the questions on your worksheet. -Analyze the examples of homologous structures -Answer questions on your worksheet.

9 Phylogeny-Cladograms
4 Station 4 Fossils Phylogeny-Cladograms -Analyze the pictures, read, and answer the questions about fossils on your worksheet. -On your notebook paper. Subtitle “Phylogeny-Cladograms”. -Analyze, draw, and label the diagram (do not have to draw the animals, just label). Answer these questions: -Compare and contrast phylogenetic trees to cladograms? -Primates and rabbits are on the same “fork”, this is because they share more common characteristics. What characteristics do they share in common? -What other 2 animals are closely related? -Which animals do you think are least related?

10 4 Cladograms

11 Phylogeny Vs. Cladograms
Both phylogenetic trees and cladograms help show the relationships between different organisms, but only phylogenetic trees have branches that represent evolutionary time and amount of change. These were formerly based on physical characteristics, but are more accurately based on genetic relationships.

12 5 Speciation-Station 5 -(what is it?) -3 Types (pg. 394) 1._____________ -(give examples) 2._____________ 3._____________ -Different Rates of Speciation (Pg. 395)

13 Analyze pics. Identify the type of speciation on your paper.
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14 Darwin’s Finches-Station 6
Follow the directions for “Bird Beak Adaptations”. -Copy chart and answer questions. Galapagos Island Finches -analyze the picture -these are all finches BUT: -some finches have crushing bills-explain why. -some have grasping or probing- explain why.

15 Galapagos Island Finches


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