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Biology > The Characteristics Of Life > Flashcards

The Characteristics Of Life Flashcards

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1
Q

Sensitivity (response)

A

How living things REACT TO CHANGES in their environment

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2
Q

Nutrition

A

The way organisms OBTAIN AND USE FOOD

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3
Q

Organisation

A

The ordered way living things are ARRANGED

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4
Q

Reproduction

A

Is the making of new individuals of the same kind

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5
Q

Excretion

A

The removal of waste PRODUCED BY METABOLISM

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6
Q

Unicellular definition and examples

A

Made up of only one cell eg. Amoeba, Bacteria and Yeast

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7
Q

Multicellular

A

Made up of many cells eg. Human, Daffodils and Slugs

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8
Q

Levels of organisation in multicelled organisms

A

Cell —> Tissue —> Organ —> System —> Organism

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9
Q

Two types of reproduction

A
  1. Asexual Reproduction

2. Sexual Reproduction

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10
Q

Asexual production…

A

Involves only one parent. It does NOT involve gametes (sex cells). It happens in bacteria and Protista (eg. Aboeba) and some fungi (eg. Yeast.

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11
Q

Sexual reproduction…

A

Involves two parents that produce gametes (sex cells) which unite during fertilisation. It occurs in animals and plants and some fungi (eg. Rhizopost)

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12
Q

Organs of excretion (produced by metabolism)

A

Kidneys, skin, lungs

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13
Q

Organ, Waste Excreted, Produced During:

Kidney

A

Urea, Water, Salt

Deamination (protein is broken down in the liver)

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14
Q

Organ, Waste Excreted, Produced During:

Skin

A

Urea, water, salt

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15
Q

Organ, Waste Excreted, Produced During:

Lungs

A

Carbon Dioxide, water

Respiration (Glucose is broken down in the cell)

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16
Q

How do plants excrete?

A

Plants have stomata (tiny pores on their leaves) and lenticels (tiny pores in their stems) which excrete the waste gas oxygen produced during photosynthesis.

17
Q

Egestion

A

The removal of unabsorbed food (faeces) in animals through the anus. This waste is NOT produced by metabolism.

Biology (24 decks)

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