Dissolved substances, plant organs and distribution of organisms

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Dissolved substances
Dissolved substances
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Diffusion is the spreading of the particles of a ...... or of any substance in solution, resulting in a .... movement from a region where they are of a higher...... to a region with a lower .....?
Diffusion is the spreading of the particles of a gas or of any substance in solution, resulting in a net movement from a region where they are of a higher concentration to a region with a lower concerntration.
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The greater the difference in concentration, the faster the ...... of diffusion?
The greater the difference in concerntration, the faster the rate of diffusion
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How does oxygen for respiration enter cells?
Oxygen required for respiration passes through cell membranes by diffusion
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Plant organs
Plant organs
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Name 3 plant organs?
Stems, roots and leaves
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State the functions of the following plant tissues: 1-Epidermal 2-Mesophyll 3-Xylem and Phloem
1-EPIDERMAL TISSUES cover the plant 2-MESOPHYLL, carries out photosynthesis 3-XYLEM AND PHLOEM- Transport substances around the plant
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Distribution of organisms
Distribution of organisms
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5 Physical factors that may affect organisms?
1- Temperature 2- availability of nutrients 3- Amount of light 4- Availability of water 5- availability of oxygen and carbon dioxide
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2 ways of measuring the distribution of organisms?
1 Random sampling with QUADRATS 2- Sampling along a TRANSECT
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Card 2

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Diffusion is the spreading of the particles of a ...... or of any substance in solution, resulting in a .... movement from a region where they are of a higher...... to a region with a lower .....?

Back

Diffusion is the spreading of the particles of a gas or of any substance in solution, resulting in a net movement from a region where they are of a higher concentration to a region with a lower concerntration.

Card 3

Front

The greater the difference in concentration, the faster the ...... of diffusion?

Back

Preview of the front of card 3

Card 4

Front

How does oxygen for respiration enter cells?

Back

Preview of the front of card 4

Card 5

Front

Plant organs

Back

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