1 Charaacteristics of living organisms Flashcards

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1
Q

What are the 7 characteristics of life (7)

A

movement

sensitivity

respiration

growth

reproduction

excretion

nutrition

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2
Q

Explain movement

A

an action by an organism causing a change in position or space

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3
Q

Explain respiration

A

Series of chemical reactions in livin cels that breaks down nutrient molecules and releases energy for metabolism

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4
Q

Define metabolism

A

all the chemical reactions that help to keep the body alive

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5
Q

Explain sensitivity

A

ability to detect and respond to changes in the around them (external environment)/ inside their bodies (internal environment)

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6
Q

Explain growth

A

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

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7
Q

what is dry mass

A

mass without water content

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8
Q

explain reproduction

A

process that maes more of the same kind of organism

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9
Q

explain excretion

A

removal from the body of substances that are toxic, waste products of metabolism, and substances that are in excess.

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10
Q

explain nutrition

A

taking in of materials for energy,
growth and development

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11
Q

What do animals require for growth, development, and energy (3)

A

organic compounds and ions and
usually need water

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12
Q

What do plants require for growth, development, and energy (4)

A

light, carbon dioxide, water and ions;

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