EE Chapter 2: Fossil Succession

Question 1

What is a fossil?

Answer 1

Remains or evidence of an organism

Question 2

Where do you find fossils?

Answer 2

you can find it preserved in sediment

Question 3

How are phylogenetic trees constructed?

Answer 3

1. Fossil is found in very old rock (mark with dot) 2. …and is last found in younger rock (extinction) 3. Many life forms appear (dot) and go extinct (dot) 4. Connect different species (dots & lines)

Question 4

What are the two views of life? (trees)

Answer 4

One branching tree (“monophyletic” view) Orchard of trees (“polyphyletic” view)

Question 5

The majority of animal phyla appear in the fossil record about 530 million years ago. This is known as the 1. Cambrian Explosion 2. Mammalian Radiation 3. Mesozoic Revolution 4. Massive Evolution

Answer 5

1. Cambrian Explosion

Question 6

How long did the Cambrian Explosion last? 1. 100,000 years 2. 50 Million years 3. 10 Million years 4. 100 Million years

Answer 6

3. 10 Million years

Question 7

Answer 7

Step 1 of Phylogenetic tree

Question 8

Answer 8

Fossil is found in very old rock (mark with dot)

…and is last found in younger rock (extinction)

Many life forms appear (dot) and go extinct (dot)

Connect different species (dots & lines)

Question 9

Answer 9

Step 2

Question 10

Answer 10

Step 3

Question 11

Answer 11

Step 4

Question 12

Answer 12

Step 5

Question 13

Universal Common Descent is the _____ view of life

1. Polymorphic
2. Phylogenetic
3. Polyphyletic
4. Monophyletic

Answer 13

4. Monophyletic

Question 14

Fossils such as mammal-like reptiles that appear to be in-between two different life forms are called __________.

1. missing links 2. transitional fossils 3. mutated fossils 4. homologous structures

Answer 14

Transitional fossils

Question 15

Features that look the same due to a common ancestor are called?

1. Homologous Structures 2. Inheritated genes 3. biogeographical evidence 4. transitional fossils

Answer 15

homologous structures

Question 16

Comparing mammoth fossils found at Biola, La Brea tar pits, Catalonia island and Germany is ____?

1. Biogeographical evidence. 2. homologous structures 3. missing links

Answer 16

Biogeographical evidence.