B1 Content

Question 1

What is ecology?

Answer 1

The study of ecosystems, communities,populations, and the abiotic and biotic factors that influence each other

Question 2

Biotic

Answer 2

Living things (humans and all organisms)

Question 3

Abiotic

Answer 3

Non-living things (water,soil,sun,air)

Question 4

Population

Answer 4

A group of individuals from the same species that can reproduce

Question 5

Community

Answer 5

Interaction of different populations

Question 6

Ecosystem

Answer 6

A community and it’s physical and chemical environment

Question 7

Ecotone

Answer 7

Transition area between ecosystems where organisms from both ecosystems interact

Question 8

Ecological niche

Answer 8

An organism’s role in a ecosystem
Ex:
place in food web
Habitat
Breeding

Question 9

Terrestrial niche

Answer 9

Helps us understand how organisms in an ecosystem interact with each other

Question 10

Aquatic niche example

Answer 10

Great white shark

Question 11

What are New (Exotic species)
And how do they arrive

Answer 11

They are new species that can cause a disturbance
They arrive from:
- Natural movement
- seed dispersal
- new routes
- human introduction

Question 12

Biome

Answer 12

A large geographical region with a specific climate and the organisms that are adapted to that climate

Question 13

What are the 4 major terrestrial biomes in Canada

Answer 13

1.Tundra
2.Tiaga
3.Temperature Decidous forest
4.Grassland

Question 14

Two major aquatic biomes in Canada

Answer 14

Freshwater(lake,river,pond ecosystem)
Marine(ocean system)

Question 15

Abiotic factors-terrestrial

Answer 15

• depth of soil
• soil nutrients
• light
• temperature
• water availability

Question 16

Tundra

Answer 16

Northern regions have a layer of permafrost below the soil surface that never melts

Question 17

What are the 4 soil layers

Answer 17

-Litter
- Topsoil
- Subsoil
- bedrock

Question 18

Litter

Answer 18

• upper layer
• made up of small rocks and decaying plant and animal matter

Question 19

Top soil

Answer 19

Beneath litter
Made up of small rocks and decaying plants and animal matter

Question 20

Subsoil

Answer 20

Beneath topsoil
Made up of rock particles and small amounts of organic matter

Question 21

Bedrock

Answer 21

Layer of rock that marks end of soil

Question 22

Water table

Answer 22

Boundary between groundwater and soil that is unsaturated with water

Question 23

Biotic limiting factors

Answer 23

Competition for resources
- Interspecific
- Infraspecific
Preditation
Parasites/disease

Question 24

Interspecific

Answer 24

Between 2 different species

Question 25

Intraspecific

Answer 25

Between the same species

Question 26

Abiotic limiting factors

Answer 26

Water Temperature Sunlight Oxygen

Question 27

Taxonomy system

Answer 27

1: domain 2: kingdom 3: phylum 4: class 5: order 6: family 7: genus 8: species

Question 28

Genetic diversity

Answer 28

Amount of variation in the inherited traits between individuals of the same species

Question 29

Species diversity

Answer 29

Number of different species

Question 30

Taxonomy

Answer 30

Classification system that infers relationships among organisms

Question 31

The 3 domains

Answer 31

Eubacteria Eukaryota Archaebacteria

Question 32

The 6 kingdoms of life

Answer 32

Animalia Fungi Eubacteria Plantae Protista Archaebacteria

Question 33

Archaea

Answer 33

Single-celled prokaryotic organisms that live in extreme environments

Question 34

Bacteria

Answer 34

Single celled prokaryotic organisms that live in a wide range of habitats

Question 35

Protista

Answer 35

Consists of both single and multi-celled eukaryotic organisms

Question 36

Fungi

Answer 36

Single and multicelled eukaryotes that secrete enzymes to digest food

Question 37

Plantae

Answer 37

Eukaryotic multi-celled organisms that use photosynthesis

Question 38

Animalia

Answer 38

Eukaryotic multi-celled organisms that are heterotrophs

Question 39

Phylogeny- history of evolution

Answer 39

Shows the relationship between organisms Shows the evolution of animals