Ecosystems Flashcards

1
Q

anther

A

The male part of a flower that produces pollen.

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2
Q

bioaccumulation

A

The build-up of toxic chemicals inside organisms in a food chain.

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3
Q

carpel

A

The female part of the flower, made up of the stigma where the pollen lands, style, and ovary.

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4
Q

community

A

The collection of the different types of organism present in an ecosystem.

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5
Q

competition

A

Competing with other organisms for resources.

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6
Q

consumer

A

Animal that eats other animals or plants.

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7
Q

decomposer

A

Organism that breaks down dead plant and animal material so nutrients can be recycled back to the soil or water.

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8
Q

ecosystem

A

The living things in a given area and their non-living environment.

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9
Q

environment

A

The surrounding air, water, and soil where an organism lives.

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10
Q

fertilisation

A

Joining of a nucleus from a male and female sex cell.

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11
Q

filament

A

The part of a flower that holds up the anther.

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12
Q

food chain

A

Part of a food web, starting with a producer and ending with a top predator. This diagram shows the transfer of energy between organisms.

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13
Q

food web

A

A diagram that shows how food chains in an ecosystem are linked.

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14
Q

fruit

A

Structure that the ovary becomes after fertilisation, which contains seeds.

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15
Q

germination

A

The period of time when a seed starts to grow.

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16
Q

habitat

A

The area in which an organism lives.

17
Q

interdependence

A

The way in which living organisms depend on each other to survive, grow, and reproduce.

18
Q

niche

A

A particular place or role that an organism has in an ecosystem.

19
Q

ovary

A

The part of a flower that contains ovules.

20
Q

ovule

A

Female sex cells in plants found in the ovary.

21
Q

petal

A

A brightly coloured part of a flower that attracts insects.

22
Q

pollen

A

Contains the plant male sex cells found on the stamens.

23
Q

pollination

A

Transfer of pollen from the male part of the flower to the female part of the flower on the same or another plant.

24
Q

population

A

Group of the same species living in an area.

25
predator
An animal that eats other animals.
26
prey
An animal that is eaten by another animal.
27
producer
Green plant or algae that makes its own food using sunlight by the process of photosynthesis.
28
seed
Structure that contains the embryo of a new plant.
29
seed dispersal
The movement of seeds away from the parent plant.
30
sepal
The special leaves found under the flower, which protect unopened buds.
31
stamen
The male reproductive parts of the flower.
32
stigma
The female part of a flower that is sticky to catch grains of pollen.
33
style
The female part of a flower that holds up the stigma.