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Biology > B4 Community Level Systems > Flashcards

B4 Community Level Systems Flashcards

1
Q

What is a habitat?

A

A place where plants animals and micro organisms live

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2
Q

What is abiotic?

A

Nonliving elements of an ecosystem such as climate temperature, water and soil type

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3
Q

What is population?

A

All the members of a single species that live in a particular habitat

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4
Q

What is community?

A

All the organisms that live in a habitat plants and animals

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5
Q

What is an ecosystem?

A

The living organisms in a particular area together with nonliving components of the environment

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6
Q

What is biotic?

A

Living elements of an ecosystem, such as plants and animals

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7
Q

Examples of biotic factors

A

Bacteria, fungi, plants, animals, protists

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8
Q

Examples of abiotic factors

A

Air soil, temperature, light, water, minerals, P H, Humidity

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9
Q

How does an increase in temperature affect organisms?

A

Chemical reactions happen faster, so metabolic reaction, speed up may also become denatured at a certain point

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10
Q

What is predation?

A

A biological interaction where a predator feeds on its prey

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11
Q

What is interdependence?

A

All organisms that live in an ecosystem depend upon each other for food, protection, shelter in order to survive

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12
Q

What are trophic levels?

A

The feeding positions in the food chain energy is transferred from one level to the next along the food chain

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13
Q

Other than plants what can be producers?

A

Deep sea vent, chemotrophic, bacteria, photosynthetic, bacteria, algae

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14
Q

What is parasitism?

A

Well, one organism benefits, but the other is harmed by the relationship

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15
Q

An example of parasitism

A

Tapeworm

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16
Q

What is mutualism?

A

Where to organisms of different species exist in a relationship in which each species benefits from the activity of the other

17
Q

Example of mutualism

A

Cleaner fish

18
Q

Why is biomass lost?

A

Because some animal material cannot be digested like bone, Horn, hooves, claws and teeth

19
Q

What are Fourways biomass can be lost

A

Respiration movement and growth faeces and urine

20
Q

What are decomposers?

A

Organisms that again, their energy by feeding on Dead or decaying material

21
Q

What is a detritovore?

A

Small animal, which breaks down, organic matter into small pieces can help speed up decomposition

22
Q

What affects the rate of decomposition?

A

Oxygen availability, water content and temperature

23
Q

What percent of the atmosphere is carbon

A

0.04%

24
Q

What percent of the atmosphere is nitrogen

A

78.09%

25
Q

What is denitrifying bacteria?

A

Or in soil, breaking down, nitrates, releasing nitrogen into the air

26
Q

What is nitrifying bacteria?

A

Convert the ammonia in urine into nitrates

27
Q

What is nitrogen fixing bacteria?

A

Convert nitrogen gas into a usable form for plants

Biology (12 decks)

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