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Science > Living Things And Cells > Flashcards

Living Things And Cells Flashcards

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Biology 101 flashcards
1
Q

Biology

A

Is the study of living things.

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2
Q

Living things

A

Organism.

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3
Q

MRSFERG

A

M=movement
R=respiration
S=sensitivity
F=feeding
E=excretion
R=reproduction
G=growth

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4
Q

Movement

A

Animals can move from place to place.

Plants don’t move, they move when they grow or when a flower opens and closes its petals.

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5
Q

Respiration

A

Is the way living things get energy. They take in oxygen and mix it with food to get energy.

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6
Q

Sensitivity

A

Is the ability to react to changes in the environment. Animals will run away from danger, a plant will grow towards light.

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7
Q

Feeding

A

Animals do not make their own food.

They get their food by eating plants and other animals. Plants make their own food.

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8
Q

Photosynthesis

A

To make food they need a green dye called chlorophyll. This is why plants are green.

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9
Q

Excretion

A

Is the removal of waste in the body. Animals excrete carbon dioxide, water, urea and salts.

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10
Q

Reproduction

A

Is being able to make new individuals of the same kind. E.g. babies, new plants, puppies.

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11
Q

Growth

A

results from cell division.

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12
Q

Cell membrane

A

Very thin layer that surrounds the cell. Holds cell contents in place and controls what passes into and out of the cell.

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13
Q

Cytoplasm

A

The watery liquid found between the nucleus and the cell membrane.

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14
Q

Nucleus

A

Is normally round. It acts as the control centre of the cell. It has the DNA.

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15
Q

Mitochondria

A

Supply energy to the cell.

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16
Q

Cell wall

A

Found outside the cell membrane of a plant cell. Gives strength to the cell.

17
Q

Vacuole

A

Space containing water, sugar and wastes- gives strength to the cell.

18
Q

Chloroplasts

A

Contain chlorophyll to help make food using sunlight (photosynthesis)

19
Q

Invertebrates

A

Animals that do not have a backbone are called invertebrates. Eg worm

20
Q

Vertebrates

A

Animals that have a backbone are called vertebrates. Eg. Dog.
Vertebrates are normally bigger and more complex animals than invertebrates.

Science (8 decks)

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