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Life Science > Characteristics of life > Flashcards

Characteristics of life Flashcards

Terminology - Cycle Test - 1 March 2024

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Biology 101 flashcards
1
Q

biotic

A

living

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2
Q

abiotic

A

non-living

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3
Q

bio-logy

A

study of living things

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4
Q

cellular

A

have cells - living

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5
Q

acelllular

A

don’t have cells - non-living

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6
Q

unicellular

A

a single cell
one cell that carries out all the things needed to function.

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7
Q

multicellular

A

more than one type of cell
many cells needed in order to function

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8
Q

similar cells form ….

A

tissues

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9
Q

tissues form …..

A

organs

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10
Q

organs form …….

A

organisms

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11
Q

The seven life processes

(Mrs Gren)

A

Movement
Respiration - cellular
Sensitivity

Growth
Reproduction
Excretion
Nutrition

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12
Q

Cellular Respiration formula

A

Glucose + Oxygen = Carbon Dioxide + Water + Energy (ATP)

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13
Q

Movement

A

-improves the chances of catching food

  • avoiding capture for both predator and
    prey.
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14
Q

Respiration - Cellular

A
  • All the chemical processes that occur within a living organism require energy.
  • This energy is obtained from food. Energy in food is not in a useable form.
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15
Q

Cell respiration

A

The process of converting energy in food to energy in the form in which
organisms are able to use it

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16
Q

Sensitivity

A

The ability to detect changes in the surrounding environment and react to it.

Stimuli / stimulus
- a detectable change in the internal or external environment

  • The ability of an
    organism or organ to
    perceive and respond
    to external stimuli is
    called sensitivity.
17
Q

Growth

A

All living organisms increase in size over time

18
Q

How does the organism grow?

A

1) Cells increase in size
2) The amount of cells increase

19
Q

Reproduction

A

The ability to reproduce and pass genetic information onto their offspring.

  • one cell dividing to form two cells, the term reproduction normally refers to the production of new individuals.
20
Q

Asexual reproduction

A

can self fertilise - no sexual contact

20
Q

Sexual reproduction

A
  • needs to mate
21
Q

Excretion

A

getting rid of toxic waste produced by the organism

eg. sweat, urine

22
Q

Is poop a form of excretion?

A

No it’s simply undigested food. Doesn’t suit the definition.

23
Q

Nutrition

A

All living organisms require nutrients to

  • provide energy for metabolism (the
    chemical reactions that are occurring in
    the cells of the organism)
  • provide molecules for growth
24
Q

Autotrophic

A

nutrients produced by organism
Eg. chlorophyll-containing plants - glucose

25
Q

Hetrophic

A

nutrients are taken in by organisms
Eg. humans - eating food

Life Science (2 decks)

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