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Science > Ecology > Flashcards

Ecology Flashcards

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Biology 101 flashcards
1
Q

Ecology

A

Is the study of plants, animals and their environment, and the difference between them

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2
Q

Environment

A

Is everything that surrounds an animal or plant (example: air,water,rocks and soil)

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3
Q

Habitat

A

Place where a plant or animal lives

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4
Q

Each habitat has its own…

A

community of organisms

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5
Q

Example of habitats: Crabs, seaweed, shrimps and starfish would be found in the ____________ habitat

A

Sea/Ocean

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6
Q

Interdependence

A

Is how organisms depend on each other for their survival

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7
Q

Example of interdependence:

A

Buttercups depend on bees, bees need buttercups

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8
Q

Ecosystem

A

All the plants and animals in an area interacting with each other and their environment

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9
Q

Omnivore

A

An animal that eats both plants and animals (eg humans)

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10
Q

Decomposer

A

Organisms that feed on dead plants and animals (eg bacteria)

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11
Q

Producer

A

Plants that make their own food

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12
Q

Consumer

A

Animals that get their food by eating plants or other animals

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13
Q

Herbivore

A

An animal that eats plants only

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14
Q

Carnivore

A

An animal that eats other animals

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15
Q

Food chain

A

Shows how one organism eats another and so on

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16
Q

Food chains must start with green plants

A

Because they are the only things that can make food

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17
Q

Feeding level

A

The position of an organism in the food chain

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18
Q

The first feeding level

A

is always a green plant

19
Q

Sun

A

The energy in any food chain comes from the sun

20
Q

Plants have the most energy

A

As they make it from the sun

21
Q

A food web

A

Two or more interconnected food chains

22
Q

Competition

A

Occurs when two or more organisms seek a resource that is limited

23
Q

Plants compete for

A

light, water, minerals and space

24
Q

Animals compete for

A

Food, shelter territory and mates

25
Q

Adaptations are features that

A

give an organism a better chance of surviving in their habitat

26
Q

Dandelion has a long root which

A

Means it reaches below the short root of grass to get water

27
Q

Dandelions are able to compete for space

A

Because they are able to spread their seeds in the wind

28
Q

Hedgehog have an excellent sense of smell to..

A

Make them good at finding food

29
Q

Hedgehogs have spikes to…

A

To fight off predators

30
Q

Hedgehogs have a colour which makes them

A

Camouflaged so predators can’t find them easily

31
Q

Conservation is

A

The protection, preservation and careful use of our natural resources

32
Q

Our naturals resources include….

A

Land, rivers, seas, plants and animals

33
Q

If we don’t protect our natural resources the..

A

Environment could be destroyed and plants and animals may become extinct

34
Q

Pollution is

A

Adding to unwanted wastes to the environment causing damage to it

35
Q

Air pollution is caused by

A

Smoke dust and harmful gases which mostly come from car, buses, factories and power stations

36
Q

Acid rain(carbonic acid and sulfric acid) causes….

A

damage to plants

37
Q

Soil pollution is…

A

caused by pesticides, artificial fertilisers and acid rain

38
Q

Water pollution is when…

A

Rivers, lakes, and seas are polluted by fertilisers, sewage, oil and detergents

39
Q

Fertilisers cause

A

Too much plant growth when they seep into rivers, bacteria populations boom as they feed on dead plants and no oxygen is left for fish

40
Q

Incineration is…

A

The burning of waste, which can release, dangerous gasses into the atmosphere, difficulties with location nobody wants to live near an incinerator

41
Q

Landfill is the…

A

Burying of waste in the ground in which damages soil, rivers, and ground water, attracts rodents, disease causing, bad smell, difficulties as nobody wants to live near landfill sites

42
Q

Recycling is..

A

Paper, glass , some metals and plastics can be processed and reused
This reduces damage to the environment

43
Q

Reduce, reuse, recycle is…

A

To make sure that we do not damage our environment and that future generations will have a nice place to live

44
Q

Reduce=

A

Use your own bag, do not pick up the items in shops with extra packaging

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