Plants and animals

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  • Created by: XxzoexX
  • Created on: 10-11-14 18:49
What is the nucleus?
Contains DNA
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What is the cytoplasm?
Chemical reactions happen here controlled by enzymes
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Whats the cell wall?
Supports the plant and gives it is shape
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What the cell membrane?
Controls what goes in and out of the cell
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What is ribosomes?
Protien made here
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What is chloroplast?
Containing chlorophyll which traps sunlight durning photosynthesis
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What is the digestive system made up of?
Different organs working together to digest food
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Function of the mouth
Food is chewed and mixed with salvia
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Function of gullet
Contracts and relaxes to move food down to the stomach
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Function of stomach
Acid and enzymes are added to food here to start digestive protein
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Function of liver
Makes bikes which is released into the small intestines.
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Function of pancreas
Produces pancreatic juice and releases it into the small intestine which breaks down starch, protein and fats
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Function of small intestine
More enzymes are added to food here to complete the digestion of fats, proteins and starch. Digested food is also absorbed into the blood
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Function of large intestine
Water is absorbed from the undigested food into the blood here
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Function of the rectum/****
Faeces are stored here before passing out of the ****
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What 2 tissues are found within a vein of a leaf?
Xylem and phloem
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What does mesophyll mean?
Middle leaf
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What 2 layers of a plant contain chloroplast?
Palisade and spongey
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Whats the outermost layer of cells know as in a leaf?
Epidermis
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Whats the waxy covering of a leaf known as?
Cuticle
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What cells function to open and close the stomata of a leaf?
Guard cells
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Whats part of the vein transports sugar in a leaf?
Phloem
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What the opening that allows for gas exchange in a leaf?
Stomata
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Whats the tubes called in a leaf that transport water?
Xylem
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Whats is discussion?
Movement of particles of a gas from an area of high concentration to an area of low concentration , until evenly spread out
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What do all living thing rely on to survive?
Diffusion
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What is meant by a partially permeable membrane?
Let's small particles pass through
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What do we mean by the term 'net movement'?
Overall movement of particles from high concentration to low concentration
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How do cells adapt to facilitate diffusion?
1. Cells are permeable 2. They are thin to make it easy for substances to pass through 3. They are moist
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What are the factors that effect the rate of diffusion?
Temperature-particles move faster at high temperature, state-particles in a liquid diffuse slower than in a gas, difference in concentration-greater the difference the faster grey rate of diffusion, size of the particles-larger particles, slower rate
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What is light energy used for during photosynthesis?
Converts carbon dioxide and water to glucose. Oxygen is produced as a waste gas
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What are the limiting factors of photosynthesis?
Light intensity, carbon dioxide concentration and temperature
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Do all plants grow at the same rate?
No
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Why is the sun important to plant?
To make food
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What does chlorophyll do?
Traps sun light
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In the stem, what are sugars converted into?
Oils, protein, celula
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What do plant foods/fertiliser provide?
Nutrients
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Is carbon dioxide lighter or heavier than air?
Heavier
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What happens when carbon dioxide is added to the leaf?
Photosynthesis goes up
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Other cards in this set

Card 2

Front

What is the cytoplasm?

Back

Chemical reactions happen here controlled by enzymes

Card 3

Front

Whats the cell wall?

Back

Preview of the front of card 3

Card 4

Front

What the cell membrane?

Back

Preview of the front of card 4

Card 5

Front

What is ribosomes?

Back

Preview of the front of card 5
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