Lesson 3: Evolution and Biodiversity

Question 1

How old is the earth

Answer 1

4.5 Billion Years ago

Question 2

When did life appear on earth?

Answer 2

3.8 Billion Years ago

Question 3

Single-celled organisms

Answer 3

Prokaryotes

Question 4

Cells with a nucleus

Answer 4

Eukaryotes

Question 5

It is the change in genetic makeup over time and is the explanation of how animals adapted and survived

Answer 5

Evolution

Question 6

Timeline Evolution

Answer 6

Birth of the Earth
Oldest Rocks
Prokaryotes appeared
Eukaryotes
Plants
Dinosaurs
Mammals
Extinction
Humans

Question 7

It is long term and large scale changes over time

Answer 7

Macroevolution

Question 8

These are small genetic changes

Answer 8

Microevolution

Question 9

Refers to all genes in a population

Answer 9

Gene Pool

Question 10

These are random changes in DNA

Answer 10

Mutation

Question 11

Natural Selection happens when

Answer 11

Genetic variability in the population
Trait is heritable
Differential Reproduction
Adaptive

Question 12

It is the role of an organism in an ecosystem

Answer 12

Ecological Niche

Question 13

It refers to the physical location

Answer 13

Habitat

Question 14

The stratification of niches allows

Answer 14

Coexistence and Biodiversity

Question 15

Organism Classification

Answer 15

Generalist Species
Specialist Species

Question 16

These species occupy different habitats

Answer 16

Generalist Species

Question 17

These species occupy a specific area

Answer 17

Specialist Species

Question 18

What environments favor specialists

Answer 18

Consistent Environments

Question 19

What environments favor generalists

Answer 19

Rapidly changing environments

Question 20

These are sharp changes that species must evolve to adapt

Answer 20

Extinction

Question 21

Extinction at a slow rate

Answer 21

Background Extinction

Question 22

Extinction that happens at a rapid and fast rate

Answer 22

Mass Extinction

Question 23

Extinction that happens at a rapid rate faster than Mass Extinction

Answer 23

Mass Depletion

Question 24

Happens after a mass extinction wherein new species evolve to new niches

Answer 24

Adaptive Radiation

Question 25

Humans Impact on Evolution

Answer 25

Artificial Selection
Genetic Engineering

Question 26

It is the act of artificially selecting superior genetic traits

Answer 26

Artificial Selectiom

Question 27

It is the act of splicing genes

Answer 27

Genetic Engineering

Question 28

Two factors in Vegetation

Answer 28

Precipitation and Temperature

Question 29

Aquatic Life Zones

Answer 29

Coastal Zones
Open Oceans
Estuaries
Coral Reefs
Mangrove Forests

Question 30

It is an aquatic life zone wherein 90% of the marine species exists

Answer 30

Coastal Zone

Question 31

It is an aquatic life zone where it comprises 90% of the Ocean Area

Answer 31

Open Ocean

Question 32

It is the aquatic life zone where the rivers and the ocean meet

Answer 32

Estuaries

Question 33

It is the zone in the ocean where sun reaches the water just enough for photosynthesis to occur

Answer 33

Euphotic Zone

Question 34

It is the zone in the ocean where the sun cannot reach the water enough thus plunging this area in perpetual darkness

Answer 34

Abyssal Zone

Question 35

Two types of Lakes

Answer 35

Eutrophic
Oligotrophic