B1. characteristics of living organisms Flashcards

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1
Q

name the seven characteristics of living organisms

A

movement, respiration, sensitivity, growth, excretion, nutrition, reproduction

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2
Q

define movement

A

action by an organism causing a change of position or place

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3
Q

define sensitivity

A

the ability to sense stimuli in the environment and make appropriate responses

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4
Q

define respiration

A

the chemical reactions in cells that break down nutrient molecules and release energy

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5
Q

define growth

A

the permanent increase in size and dry mass by an increase in cell size or/ and number

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6
Q

define excretion

A

removal from organisms of waste products of metabolism, toxic materials and substances in excess of requirement

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7
Q

define nutrition

A

taking in of materials for energy, growth and development

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8
Q

define reproduction

A

the process that makes more of the same kind of organism

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9
Q

describe the structural differences between a plant and an animal cell

A

a plant cell has chloroplasts and a cell wall which animal cells don’t have and plant cell’s vacuoles a much bigger than animal cell’s vacuoles

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