Energy Transfer Flashcards

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0
Q

Word equation for respiration

A

Glucose + oxygen > carbon dioxide + water (+ energy)

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1
Q

Word equation for photosynthesis

A

Carbon dioxide + water > Glucose + oxygen

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2
Q

What things photosynthesise?

A

Photo autotrophic organisms

E.g. Plants, protoctists and some bacteria

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3
Q

How is some energy lost through photosynthesis?

A

Not all light absorbed by chloroplasts
Not all wavelengths drive photosynthesis
Some light reflected by waxy cuticle

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4
Q

How is some energy lost through eating the producer?

A

Not all of plant eaten
Some cellulose is egested
Plant respires

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5
Q

How is energy lost through feeding on a consumer?

A

Some parts of zebra not edible

Zebra movement/excretion/respiration wastes energy

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6
Q

Define producers

A

Organisms which photosynthesise to produce food from inorganic molecules

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7
Q

Define consumers

A

Animals that eat plants and/or other animals in order to obtain food

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9
Q

Define habitats

A

Places where specific organisms live

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11
Q

Define decomposers

A

Organisms that produce extra cellular enzymes to break down organic compounds into soluble molecules (decay of dead material)

Nb: they respire

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12
Q

How do you calculate biomass?

What unit is biomass used in

A

Number of individuals x mass of each individual

Measured in mass per unit area (E.g. Km/m2)

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14
Q

Wht is the population?

A

All the organisms of a specific species living in an Eco system

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15
Q

What is a community?

A

The populations of all the species in an area

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