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Science (JC) > Chapter 2: Biological world > Flashcards

Chapter 2: Biological world Flashcards

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Biology 101 flashcards
1
Q

Cells

A

The basic building blocks of living things

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2
Q

Nutrition

A

The way in which living things get their food

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3
Q

Excretion

A

The way in which living things get rid of wastes that they produce

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4
Q

Response

A

The way in which living things react to changes in their surroundings

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5
Q

Reproduction

A

The way in which living things produce new living things

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6
Q

Five major groups of living things

A

Bacteria, Fungi, Plants, Animals, Other(protists)

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7
Q

Bacteria

A

Tiny microscopic living things. Some cause disease, some cause decay, some are used to produce valuable substances

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8
Q

Fungi

A

Mushrooms, moulds and yeast

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9
Q

Plants

A

Trees, grasses, flowers

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10
Q

Animals

A

Humans, fish, insects

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11
Q

Others (Protists)

A

Seaweeds, amoeba

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12
Q

Vertebrates definition and eg

A
  • animals that have backbones
    Eg. Horse, seagull
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13
Q

Invertebrates definition and eg

A
  • animals that do not have backbones.
    Eg: spider, jellyfish
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14
Q

Biodiversity

A

Range of living things

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15
Q

Animal cell structure

A

Cell membrane, Nucleus, Cytoplasm

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16
Q

Plant cell structure

A

cell wall, cell membrane, nucleus, cytoplasm, vacuole.

17
Q

Cell Membrane; function and describe

A

-retain cell contents and controls what passes in and out of cell.

Describe: The cell membrane is a very thin layer that surrounds the cell.

18
Q

Nucleus: function & describe

A

Its function is to act as the control centre of the cell.
Describe: The nucleus is normally round.

19
Q

Cell wall

A

Function: gives strength to plant
Describe: A cell wall is found outside the cell membrane in plant cells

20
Q

Vacuole: describe & function

A

Describe: contains liquid and if the vacuole is full of liquid, it forces the cytoplasm to push out against the cell wall.
Function: is to give strength to the cell.

21
Q

Mitochondrion: function

A

Supplies energy for cell

22
Q

Chloroplast function

A

Makes food (by photosynthesis)

23
Q

Cytoplasm function

A

Carries out some cell reactions
Supports tiny cell structures

Science (JC) (9 decks)

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