Unit 4 Ecology

Question 1

What is ecology?

Answer 1

The study of relationships of living things

Question 2

What are abiotic factors?

Answer 2

Non living components

Examples: climate, water, temp

Question 3

What are biotic factors?

Answer 3

Living components

Examples: animals, plants, micro organisms

Question 4

What are the levels of ecology organizations?

Answer 4

1. Individual
2. Population
3. community
4. Ecosystem
5. Biome

Question 5

What is the population?

Answer 5

A group of individuals of the same species living together in the same area

Question 6

What is a community?

Answer 6

A natural occurring group of organisms living together in the same area

Question 7

What is an ecosystem?

Answer 7

An interacting system that consist of group of organisms

Question 8

What is a biome?

Answer 8

Any geographical region with its own physical features

Question 9

What is a ecotone?

Answer 9

The transition of organisms from one ecosystem to another

Question 10

What is a niche?

Answer 10

A niche is the role the species places in a ecosystem

Question 11

What is keystone species?

Answer 11

A species that more important than one would expect

Question 12

What is a artificial ecosystem?

Answer 12

An ecosystem that is planned or maintained by humans

Question 13

What is a natural ecosystem?

Answer 13

An ecosystem that is not planned or maintain by humans

Question 14

What is a biosphere made of?

Answer 14

Lithosphere(on land)
Hydrosphere (in water)
Atmosphere ( in air )

Question 15

What is albedo?

Answer 15

The measurement of the percentage of light an object reflects

Question 16

What is the equation for photosynthesis?

Answer 16

Carbon dioxide+water+sunlight=sugar+ oxygen

Question 17

What is the formula for cellular respiration?

Answer 17

Sugar+oxygen=carbon+water+energy

Question 18

What is the formula for population growth?

Answer 18

(Natality+immigration) - ( deaths+emigration)

    Change in population  GR=—

Question 19

What is the population chart thing

Answer 19

Lag phase
Growth
Carry capacity 
Death phase 
Steady state ( equilibrium)

Question 20

What are the trophies levels?

Answer 20

Producers
Primary consumers
Secondary consumers
Tertiary consumers

Question 21

What are the classification of systems of species at risk?

Answer 21

Vulnerable
Threatened 
Extirpated 
Endangered 
Extinct

Question 22

What are the two laws of physics about energy flow through the ecosystem?

Answer 22

1. Energy cannot be created or destroyed and can only be change from one form to another
2. When energy transferred between tropic level energy is loss through the release of heat

Question 23

What is the water cycle?

Answer 23

Evaporation
Condensation
Precipitation 
Runoff
Infiltration 
Transportation

Question 24

What is the law of minimum?

Answer 24

The law of minimum states that the nutrient in least supply is the one which limits growth

Question 25

What is the law of tolerance states?

Answer 25

The law of tolerance states that an organisms can only survive within a certain range of abiotic factors

Question 26

What are the types of relationships?

Answer 26

``` Predation Symbiosis Motalism Commensalism Paratism Parasite Host ```

Question 27

What is competition?

Answer 27

2 living things have have slimline food and habits

Question 28

What is symbiosis?

Answer 28

Relationship where 2 living thing live close together

Question 29

What is motalism?

Answer 29

Where both organisms benefit

Question 30

What is commensalism?

Answer 30

Where one benefits and the other is not effected

Question 31

What is paratism?

Answer 31

Where one is benefits and the other is harmed

Question 32

What is parasite?

Answer 32

One obtains no threats by living with another organism

Question 33

What is a host?

Answer 33

Provides nutrient unintentually

Question 34

What is soil made up of?

Answer 34

Litter : decomposed plants Top soil: small rocks and plant and animal matter Sub soil: stones Bedrock : solid rock

Question 35

What is surface water?

Answer 35

Rain water that collects on the ground

Question 36

What is ground water?

Answer 36

Water in soil it rocks

Question 37

What is leaching?

Answer 37

Dissolve minerals as it seeps downward

Question 38

What is biotic potential?

Answer 38

That max number of offspring a species can could produce if resources are unlimited

Question 39

What is carrying capacity?

Answer 39

The max amount of species that an ecosystem can support indefinitely

Question 40

What are limits of tolerance?

Answer 40

The ability of an organism to withstand abiotic factors in its environment

Question 41

What are the 5 biomes?

Answer 41

``` Tundra Boreal forest Decidous forest Grassland Mountain forest ```