MODULE 4: Ecosystems dynamic Flashcards

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1
Q

Ecosystems definition

A

The foundation of the biosphere (living things)

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2
Q

Abiotic Factors

A

Non-living chemical and physical parts of the environment that affect living organisms and the functioning of ecosystems

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3
Q

What’s Buoyancy and Viscosity - Abiotic factors

A

Buoyancy: the ability to float
Viscosity: denseness, thickness

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4
Q

Temperature

A

measurement - thermometer
units - degrees Celsius

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5
Q

Wind speed

A

measurement - anemometer
units - Km/h or knots

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6
Q

Humidity

A

measurement - wet and dry bulb hygrometer
units - %

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7
Q

Light intensity

A

measurement - photoelectric meter
units - Lux

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8
Q

PH

A

measurement - universal indicator liquid or paper
units - chart is needed

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9
Q

Salinity

A

measurement - refractometer
units - parts per thousand

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10
Q

Biotic Factors

A

Living influences on where an organism lives

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11
Q

Ecological relationships - Predation

A

a predator (an organism that is hunting) feeds on its prey (the organism that is attracted).

If predators thrive it can essentially wipe out a prey population

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12
Q

Ecological relationships - competition

A

Infraspecific: Members of the same species compete for limited resources

Interspecific: Members of different species compete for shared resources

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13
Q

Symbiotic relationships are

A

Any type of close and long-term biological interaction between two different organisms.

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14
Q

Three types of symbiosis relationships:

A

Mutualism: both species benefit

Commensalism: one species benefit, the other is unaffected

Parasitism: one species benefits, the other is harmed

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15
Q

Food webs

A

Show who eats who-feeding relationships Energy flow

Arrowheads point towards the consumer (producers start at the bottom)

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