Sceince

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Biosphere

Back 1

The zone around earth where life can exist

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Lithosphere

Back 2

Earths outer layer

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Hydrosphere

Back 3

All of Earth's water in solid, liquid and gas form

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Atmosphere

Back 4

The layer of gas surrounding earth

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Ecosystem

Back 5

All the living organisms and their physical and chemical enviroment

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Biotic factor

Back 6

Living things their remains and features such as nests associated with their activities

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Abiotic factors

Back 7

The non-living physical and chemical components of an ecosystems

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Sustainable ecosystem

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An ecosystem that is maintained through natural processes

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Sustainability

Back 9

The ability to maintain an ecological balance

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Photosynthesis

Back 10

The process in which the Suns energy is converted into chemical energy

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Producer

Back 11

An organism that makes its own energy rich food compounds using the Suns energy

Front 12

Cellular Respiration

Back 12

The process by which sugar and oxygen are converted into carbon dioxide and water, to provide energy for the cell

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Consumeer

Back 13

An organism that obtains its energy from consuming other organisms

Front 14

Ecological niche

Back 14

The function a species serves in its ecosystem including hat it eats, what eats it and how it behaves

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Food chain

Back 15

A sequence of organisms each feeding on the next, showing how energy is transferred from one organism to another

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Food web

Back 16

A representation of feeding relationships within a community

Front 17

Ecological pyramid

Back 17

A representation of energy, numbers or biomass relationships in ecosystems

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Biomass

Back 18

The mass of living organisms in given area

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Biogeochemical cycle

Back 19

The movement of matter through the biotic and abiotic environment

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Water cycle

Back 20

The series of processes that cycle water through the environment

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Carbon cycle

Back 21

The biogeochemical cycle in which carbon is cycled through the lithosphere, atmosphere, hydrosphere and biosphere

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Nitrogen cycle

Back 22

The series of processes in which nitrogen compounds are moved through the biotic and abiotic environment

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Limiting factor

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Any factor tat restricts the size of a population

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Tolerance range

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The abiotic conditions within which a species can survive

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Competition

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Two individuals vie for the same resource

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Predation

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One individuals feeds on another

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Mutualism

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Two individuals benefiting each other

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Parasitism

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One individual lives on or in and feeds on a host organism

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Commensalism

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One individual benefits and the other neither benefits nor is harmed

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Carrying capacity

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The maximum population size of a particular species that a given ecosystem can sustain

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Biome

Back 31

A large geographical region defined by climate with a specific set of biotic and abiotic features

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Watershed

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The land area drained by a particular river; also called a drainage basin

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Equilibrium

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Describes the state of an ecosystem with relatively constant conditions over a period of time

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Succession

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The gradual and usually predictable changes in the composition of a community and the abiotic conditions following a disturbance e

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Primary succession

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Succession on newly exposed ground, such as following a volcanic eruption

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Secondary succesion

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Succession in a partially disturbed ecosystem, such as following a forest fire

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Bodiversity

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The variety of life in a particular ecosystem; also known as biological diversity

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Species richness

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The number of species in and area

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Extinct

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Refers to a species that has died out and no longer occurs on earth

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Extirpated

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A species that no longer exists Ina specific area

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Endangered

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A species facing imminent extirpation or extinction

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Invasive species

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A non-native species whose intentional or accidental introduction negatively impacts the natural environment

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Pollution

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Harmful contaminants released into the environment

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Bioremedation

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The use of micro-organisms to consume and break down environmental pollutants

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Stewardship

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Taking responsibility for the managing and protecting the environment

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Monoculture

Back 46

The cultivation of a single crop in an area

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Pest

Back 47

Any plant, animal or other organism that causes illness harm, or annoyance to humans

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Natural fertilizer

Back 48

Plant nutrients that have been obtained from natural sources and have not been chemically altered by humans

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Synthetic fertilizer

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Fertilizers that are manufactured using chemical processes

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Leaching

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The process by which nutrients are removed from the soil as water passes through it

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Broad spectrum

Back 51

A pesticide that is effective against many types of pest

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Narrow-spectrum pesticides

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A pesticide that is effective against only a few types of pest

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Bioaccumulation

Back 53

The concentration of a substance such as a pesticide in the body of an organism

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Bio amplification

Back 54

The increase in concentration of a substance, such as a pesticide as it moves higher up the food web