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y7 science t3 > Test > Flashcards

Test Flashcards

1
Q

What is classification?

A

Classification is putting things into orderly groups based on similar characteristics

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2
Q

What is taxonomy

A

The science of describing,naming and classifying organisms

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3
Q

Who is a taxonomist

A

A taxonomist classifies, describes and names organisms.

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4
Q

How do you write scientific names (binomial nomenclature)

A

Genus(capitalised) is first then species(lowercase) is second.
The whole name is always italicised or underlined

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5
Q

What’s a dichotomous key?

A

A dichotomous key is a method of identification that has two options at every stage.

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6
Q

What are the levels of classification

A

Domain
Kingdom
Phylum
Class
Order
Family
Genus
Species

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7
Q

What are the seven processes of living things.

A

Movement
Respiration
Sensitivity
Growth
Reproduction
Excretion
Nutrition

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8
Q

What is a habitat?

A

Where organisms live of spend most of their time. Habitats provide resources like:
Food and water
Shelter
Suitable temperature
Mating partner
Gases like oxygen

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9
Q

What is the difference between abiotic and biotic factors

A

Biotic factors are living factors:
Partners for mating
Organisms to eat
Competition

Abiotic factors are non living factors
Light
Wind
Soil
Temperatures

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10
Q

What are adaptations

A

Adaptations are characters that assist organisms to survive and reproduce

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11
Q

How do Adaptations help animals and plants?

A

Animals:
Protect themselves
Survive temperatures and seasons
Move
Reproduce
Take in oxygen
Catch and eat food

Plants:
Protect themselves from grazing animals
Take in oxygen and carbon dioxide
Take in water
Capture light
Reproduce

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12
Q

What is interdependence

A

Organisms in an ecosystem are interdependent

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13
Q

What is commensalism

A

Commensalism is when an interaction benefits an animal and doesn’t affect another

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14
Q

What is mutalism

A

The interaction where both organisms benefit

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15
Q

Parasitism

A

Interaction when one organism benefits and one is harmed

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16
Q

What are predators

A

Animals that eat other animals

17
Q

Prey

A

Animal that is eaten

18
Q

Competitors

A

Animals that rely on the same food source

19
Q

Food chain

A

Way of showing feeding relationships in and ecosystem

20
Q

Where do plants get there energy from

A

Sun

21
Q

Animals get their energy from?

A

Animals or plants they eat

22
Q

What do arrows show

A

How energy is transferred from organism to organisms

23
Q

What do food chains start with

A

Sun

24
Q

How do plants trap the suns energy

A

With a chemical called Chlorophyll

25
Q

Plants make energy through a process called?

A

Photosynthesis

26
Q

What is a plant?

A

A producer

27
Q

Animals that need to eat other organisms are called

A

Consumers

28
Q

Organisms that can break down dead matter

A

Decomposer

29
Q

Animals that only eat plants?

A

Herbivore

30
Q

Animals that only eat animals

A

Carnivores

31
Q

Animals that eat plants and animals

A

Omnivores

32
Q

Food webs are?

A

Food chains joined together

33
Q

What is a sustainable ecosystem

A

They provide for the needs of organisms for a long period of time

34
Q

What are some reasons for traditional burning?

A

For hunting
For germination of plants

35
Q

Fuel reduction burning reasons

A

Fire spreads slower
Less fire fuel
Less intense fires

36
Q

What is a species introduced: why, how did they fail, if introduction was fixed

A

Cane toad was introduced to kill the cane beetle that was eating sugar cane

It failed because cane toads roamed around the bottom of the cane and beetles ate from the top. Cane toads ate everything else but cane beetles

It has never been fixed.

37
Q

Why do we classify

A

Because classification helps us understand and find things easily.

y7 science t3 (1 decks)

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