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Flashcards in Evolution Deck (16):
1

Evolution occurs to (Blank1)not (Blank2)

Blank1= species not individuals

2

Evolution explains (blank) on earth today

Diversity

3

What is diversity?

Great variety of types of living things

4

Diversity

Between species (blank - blank blank) species on earth

10 - 100 million

5

Diversity

Within a (blank)

Species

6

Diversity is the result of (blank)

Evolution

7

How evolution works

Explained by (blank) and (blank)

Explained by Charles Darwin and Alfred Russell Wallace

8

How evolution works

Darwin visited (blank) on (blank)

How evolution works

Darwin visited Galapagos Islands on HMS Beagle

9

What was Darwins theory?

He hypothesized that these organisms had a common ancestor but have adapted to there a particular environment and changed over time

10

Evidence for evolution

-Common anatomical traits
-homologous structures
-DNA analysis
-embryo development
-vestigial organs
-fossil and fossil record
-process of evolution

11

Characteristics of natural selection

Overpopulation, inherited variation, competition and struggle to survive, successful reproduction

12

Natural selection in other places

Drug-resistant bacteria, elephants adaptation to hunters/poachers, repellent resistant insects

13

Adaptations

Traits or characteristics that help an organism survive in its ecosystem

14

Three types of adaptations

Structural, chemical, behavioral

15

Speciation

Formation of a new species, separation, adaptation, division

16

What is evolution?

Change over time