The xylem carries water and the phloem carries sugar.
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How are root hair cells adapted to do their job?
Large surface area so absorption of water is at a maximum.
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What environmental factors effect transpiration and HOW?
Temperature- high temperatures Increase transpiration- the more air movement, the faster the rate of transpiration. Humidity- Increased humidity, decreases transpiration. Light Intensity- Stomata are open in light therefore increasing transpiration
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Not enough nitrogen, potassium and phosphate causes the plant to what?
What do farmers use to prevent mineral deficiency?
KPN fertilisers.
9 of 12
Describe a red blood cell?
Biconcave shape- increased surface area for O2. A red blood cell carried o2 around the body. It contains Haemoglobin which absorbs the o2 and makes the blood look red and it also has no nucleas.
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White blood cell?
Two types- Phagocyte(engulfs bacteria) and the others produce antibodies. They are an important part of our immune system and can change shape to squeeze through very small gaps in the capillar wall. They have a nucleas, a cell membrane and lysosome.
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What are the other two components that make up the blood(except for the red and white blood cells)
Platelets- Help to clot blood at the site of a wound. Plasma- clear liquid that transports glucose, co2 and waste products around the body. P
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Other cards in this set
Card 2
Front
What does a plant need to survive?
Back
Sunlight, Water and carbon dioxide.
Card 3
Front
What are stomata?
Back
Card 4
Front
What are the labels for the different layers of a leaf?
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