Ecology Flashcards

1
Q

What is an Ecosystem

A

All organisms luve together in an area

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2
Q

What does biotic mean

A

Living organism

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3
Q

What does abiotic mean

A

Non living organism

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4
Q

What is a producer

A

An organism (mostly plants and bacteria) that creates their own food

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5
Q

What is a consumer

A

An organism that cant make its own food to it eats other organisms to get energy

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6
Q

What is sustainability

A

its the ability to maintain ecological balance.

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7
Q

What is an atmosphere

A

A layer of gas surrounding earth thats held in place by earths gravity

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8
Q

What is the Lithosphere

A

The outermost layer of earths rocks and minerals

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9
Q

What is the Hydrosphere

A

The total quantity of water on earth

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10
Q

What is a biosphere

A

an area where life can exist within the three spheres

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11
Q

What is and Ecological niche

A

The role of a species within its ecosystem

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12
Q

What is trophic level

A

the level of an organism in an ecosystem depending on its position in a food chain

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13
Q

What is a food web

A

Many interconnecting food chains

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14
Q

What is a herbivore

A

An organism that only consumes plants

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15
Q

What is a omnivore

A

An organism that consumes plants and animals

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16
Q

What is a population

A

all of 1 organism in and area

17
Q

What is biodiversity

A

The variety of life in a particular ecosystem

18
Q

What is a community

A

All of the population in an area

19
Q

What are the two types of aquatic ecosystem

A

Fresh water ecosystems, Marine(ocean) ecosystems

20
Q

what is an opened ecosystem

A

an ecosystem in which matter and energy are exchanged with surrounding environments

21
Q

What is a closed ecosystem

A

an ecosystem in which only energy is exchanged with surrounding environments (matter is not)

22
Q

What is a decomposer

A

An organism that consumes other dead organism

23
Q

How much energy is transferred to the next trophic level

A

10%

24
Q

What is stewardship

A

A measure of the impact of an individual or a population in the environment

25
Q

What factors affect carrying capacity

A

Natural disasters, climate, Land use etc

26
Q

What is the word equation for Photosynthesis

A

Carbon dioxide +water +light energy - Sugar + oxygen

27
Q

What is the word equation for Cellular Respiration

A

Sugar + oxygen - carbon dioxide + water Energy