Slides: 1 Concepts in Evolution

Question 1

When was Cyanobacteria

Answer 1

2.6 BYA (Billion Years Ago)

Question 1

Orignial earth

Answer 1

Extremely hot with no oxygen and volcanic activity

Question 2

Deep Time

Answer 2

Time over extremely large intervals (Billion/million)

Question 3

Adaptations

Answer 3

A beneficial Mutation that helps with fitness

Question 4

Population

Answer 4

A group of organisms in the same area

Question 5

Evolution

Answer 5

Changes in traits over time.

Question 6

Competition

Answer 6

The fight for resources within an environment (Food, water, shelter)

Question 7

Ecological Succession

Answer 7

The change in community over time, species being replaced.

Question 8

Natural Selection

Answer 8

Organisms that adapt better to changing condition will survive and reproduce

Question 9

Requirements of Natural Selection

Answer 9

∙Variations in traits
∙Inheritance of traits
∙Competition for limited resources
∙Reproductive success differences
∙Deep Time

Question 10

Phenotype

Answer 10

An organisms observable characteristics

Question 11

Artificial Selection

Answer 11

Humans driving the evolution process by breeding for certain traits instead of fitness

Question 12

Epigenetics

Answer 12

The study of how environmental factor can change gene expression

Question 13

Stabilizing Selection

Answer 13

The favor for intermediate variation

Question 14

Directional Selection

Answer 14

The favor for one extreme variation

Question 15

Disruptive Selection

Answer 15

The favor for both extreme variations and leads to speciation.