Science Ecology Yr 9

Question 1

What are Biotic Factors?

Answer 1

Living Organsims (Flora or Fauna)

Question 2

What are Abiotic Factors?

Answer 2

non-living things in the surrounding environment

Question 3

What forms an ecosystem?

Answer 3

Abiotic and Biotic Factors

Question 4

What is an ecosystem?

Answer 4

When Abiotic and Biotic factors interact with each other in a self-sustaining way

Question 5

What are ecosystems made up of?

Answer 5

Made up of habitats

Question 6

What do ecosystems provide?

Answer 6

All needed necessities for survival. E.g: Shelter, food and water.

Question 7

What are communities?

Answer 7

when two or more populations or group interact with each other

Question 8

What is a population?

Answer 8

A group of organisms of the same species living in the same environment

Question 9

Give examples of Abiotic factors

Answer 9

Air, wind, soil, water, currents, temperature, light, etc

Question 10

Give examples of Biotic factors

Answer 10

Animals, Fungi, Bacteria, Protista, Flora, Archaea, etc

Question 11

What is matter

Answer 11

Matter is anything that has mass and takes up space

Question 12

What is energy

Answer 12

Energy is the capacity to do work or cause change

Question 13

What is a biosphere

Answer 13

Describes the living world

Question 14

What does a biosphere include?

Answer 14

Atmosphere (gas), Hydrosphere (water), and Lithosphere (land)

Question 15

What is an environment

Answer 15

All factors in an organisms surroundings that affect its survival

Question 16

What is interdependence?

Answer 16

Refers to the mutual reliance between organisms within an ecosystem that effects one anothers survival

Question 17

What is Parasitism?

Answer 17

Relationship where one organism lives on or in another and feeds of it

Question 18

What is Commensalism?

Answer 18

where one organism benefits from the interaction while the other organism is neither helped nor harmed.

Question 19

What is mutualism?

Answer 19

A relationship where between organisms, both benefit from each other.

Question 20

What is a symbiotic relationship?

Answer 20

A close and long-term interaction between two different species, where at least one of the organisms benefits

Question 21

What is a non-symbiotic relationship?

Answer 21

interactions between species that are not close, long-term, or interdependent

Question 22

What are the 7 kinds of relationships, both non-symbiotic and symbiotic

Answer 22

Mutualism, Parasitism, Commensalism, Predation, Competition, inhibition, collaboration

Question 23

What are the three symbiotic relationships

Answer 23

Mutualism, Parasitism, Commensalism

Question 24

What are the three non-symbiotic relationships

Answer 24

Competition, Predation, collaboration

Question 25

What is competition?

Answer 25

where organisms try to use the same limited/scarce resource

Question 26

What is Predation?

Answer 26

When one organism eats another to survive

Question 27

What is collaboration?

Answer 27

interactions where species or individuals work together to achieve mutual benefits, improving their chances of survival or resource acquisition.

Question 28

What are the factors used to measure population size

Answer 28

Births, Deaths, Immigration and Emigration

Question 29

What are some introduced species that have a detrimental impact on WA ecosystems.

Answer 29

Foxes, rabbits, Cane Toad, European cockroaches etc

Question 30

What is the worded equation for Photosynthesis

Answer 30

Carbon Dioxide + Water --- (Sunlight)--> Oxygen + Glucose

Question 31

What is the worded equation for Aerobic Respiration

Answer 31

Oxygen + Glucose/Energy --> Water + Carbon Dioxide

Question 32

What is the primary energy source for all living things

Answer 32

The sun

Question 33

What are some Australian native adaptations to survive bushfires

Answer 33

Epicormic Buds, Thick bark, automatic deployment of seeds post-fire

Question 34

What are ways that a fire can help some bush plants?

Answer 34

Some plants can be revitalised, and refreshed from burning old outer parts, some release seeds, etc..

Question 35

How does energy move from producers to consumers?

Answer 35

through the food chain, via consumption

Question 36

How is energy lost at each stage of the food chain

Answer 36

Heat loss, digestion, movement, and some through excretion, etc....

Question 37

What is the purpose of the pyramid of biomass?

Answer 37

The pyramid of biomass visualises the amount of organic matter transferred at each trophic level in an ecosystem.

Question 38

Name at least one invasive species and explain how it was introduced into a new ecosystem

Answer 38

E.g: cane toad. It was introduced through controlling the measure of cane beetle, a pest against sugar cane

Question 39

Explain how Aboriginal and Torres Strait Islander People Traditionally used fire to manage land

Answer 39

They used controlled cool fire burns to promote plant growth, maintain biodiversity, revitalise plants and improve hunting grounds