Change Over Time

Question 1

Darwin’s Trip

Answer 1

1831 Beagle traveled around the world, discovered Galapagos

Question 2

Theory of Evolution

Answer 2

believed that organisms change over time to ensure survival

Question 3

Facts They Found on Galapagos

Answer 3

1. similar animals/plants on island as continent
2. tortoises shells
3. beak sizes idea of adaption

Question 4

Natural Selction

Answer 4

process by which organisms are better adapted to an environment & survive

Question 5

5 Factors That Effect Natural Selection

Answer 5

1. overproduction
2. variation
3. competition
4. genes (mutations)
5. environmental changes

Question 6

Evidence of Evolution 4

Answer 6

1. fossils
2. early development (ultrasounds)
3. bone structure
4. DNA

Question 7

How Do New Species Form?

Answer 7

when 2 similar species of organisms reproduce
ISOLATION ex. squirrels at grand canyon

Question 8

Types of Fossils

Answer 8

1. petrified
2. mold
3. cast
4. ice or amber

Question 9

2 Ways to Determine a Fossils Age

Answer 9

1. relative dating (using law of superposition)
2. radioactive decay (half-life)

Question 10

Extinct Organisms

Answer 10

species no longer on the earth

Question 11

Geological Time Scale

Answer 11

1. precambian
2. paleozic
3. mesozoic
4. cenozoic

Question 12

Precambrian Events

Answer 12

1st era / bacteria and algae

Question 13

Paleozoic Events

Answer 13

invertebrates / amphibians / reptile

Question 14

Mesozoic Events

Answer 14

mammals / pine tree / dinosaurs

Question 15

Cenozoic Events

Answer 15

present day / humans / flowering plants

Question 16

Mass Extinction & Possible Theory for Dinosaurs

Answer 16

majority of a species dying at the same time - climate change / volcano / asteroids

Question 17

Gradualism

Answer 17

theory that says evolution happens little over time but not uninformed

Question 18

Punctuated Equilibria

Answer 18

theory (based on mass extinction) that Evolution happens due to an event NOT little over time