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NS > Definitions > Flashcards

Definitions Flashcards

1
Q

Interdependency

A

A relationship in which both parties depend on each other for something

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2
Q

Interaction

A

A relationship in which two parties affect each other

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3
Q

Photosynthesis

A

The process by which plants make their own food

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4
Q

Chlorophyll

A

The pigment that gives plants their green color

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5
Q

Pigment

A

A substance that gives color to something

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6
Q

By-product

A

Something produced in addition to the main product

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7
Q

Ecology

A

The study of the relationships in an ecosystem

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8
Q

Population

A

A group of organisms of the same species that live in a defined area and are able to breed freely

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9
Q

Species

A

A group of similar organisms that produce fertile offspring when breeding with each other

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10
Q

Ecosystem

A

An integrated system of biotic and abiotic factors

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11
Q

Biosphere

A

The largest ecological unit on earth

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12
Q

Humus

A

Organic matter in soil

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13
Q

Loam

A

A combination of different soil types

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14
Q

Aspect

A

The direction that the slope faces

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15
Q

Producers

A

Organisms that make their own food

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16
Q

Consumers

A

Organisms that feed on other organisms

17
Q

Herbivores

A

Animals that eat plants

18
Q

Carnivores

A

Animals that eat other animals are called carnivores

19
Q

Predators

A

Actively hunt and kill other animals

20
Q

Scavengers

A

Animals that eat animals that other animals that are already dead

21
Q

Carrion

A

Meat on the carcass of a dead animal

22
Q

Insectivorous

A

Feed on insects

23
Q

Omnivores

A

Both eat plants and animals

24
Q

Decomposers

A

Breakdown dead plant and animal material and return nutrients to the soil

25
Q

Autotroph

A

An organism that can produce it’s own food

26
Q

Heterograph

A

An organism that can not make it own food and feeds on other organisms

27
Q

Excreta

A

Waste material that is produced by consumers

28
Q

Mimicry

A

When a harmless animal copies a dangerous organism so that a predator doesn’t eat it

29
Q

Alien species

A

Animals and plants that do not naturally occur in a particular environment

30
Q

Atom

A

The basic unit of a chemical element

31
Q

Particle

A

A minute portion of matter

32
Q

Nucleus

A

Central region of the atom

33
Q

Protons

A

Positively charged particles

34
Q

Neutrons

A

Neutral particles

35
Q

Nucleons

A

Collective name for protons and neutrons found in the nucleus

36
Q

Electrons

A

Negatively charged particles

37
Q

Diatomic molecule

A

A molecule composed only of two atoms of the same element

38
Q

Compound

A

A material that is made up of two or more different elements chemically bonded

39
Q

Diffusion

A

A process in which particles of liquids or gas moves from a highly concentrated area to an area with a lower concentration of particles

NS (2 decks)

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