Adaptation, food chains and pyramids Inheritance, keys and variation Have a look at the adaptations of a bear, camel and cactus. Write down 2 important ones for each. What is a gene and a chromosome? What is selective breeding , how does it work and why is it useful? Have a look at the dog cards. Which 2 would you selectively breed to develop a small dog that is good around children. Think of your favourite animal. Can you think of some adaptations for it? Look at the animal toys. Can you put them into groups? What do the arrows in a food chain represent? What is variation? Why can pyramids of numbers look weird? Look at the person you are working with. What similarities and differences do you have? Look at the food web and write 2 food chains from it Why could it be a disadvantage to tomato plants if they all had the same genes? What could happen if all the perch ran out? Where can the poisons in a food chain come from? Plant growth and nutrition Reproduction How is a root hair specially adapted to do its job? 22. What similarities do boys and girls have during puberty? Draw 3 leaves. One with nitrate, phosphate and potassium deficiency 23. Draw a flow chart to show the journey of sperm into egg. testis Look at the leaves. How are they specially adapted to do their job What is the equation for photosynthesis? 24. How do nutrients and waste get exchanged at the placenta? Where and how do oxygen and carbon dioxide get into the leaf 25. What is an embryo and a foetus?
Adaptation, food chains and pyramids Have a look at the adaptations of a bear, camel and cactus. Write down 2 important ones for each. Think of your favourite animal. Can you think of some adaptations for it? What do the arrows in a food chain represent? Why can pyramids of numbers look weird? Look at the food web and write 2 food chains from it What could happen if all the perch ran out? Where can the poisons in a food chain come from? Inheritance, keys and variation What is a gene and a chromosome? What is selective breeding , how does it work and why is it useful? Have a look at the dog cards. Which 2 would you selectively breed to develop a small dog that is good around children. Look at the animal toys. Can you put them into groups? What is variation? Look at the person you are working with. What similarities and differences do you have? Why could it be a disadvantage to tomato plants if they all had the same genes? Plant growth and nutrition How is a root hair specially adapted to do its job? Draw 3 leaves. One with nitrate, phosphate and potassium deficiency Look at the leaves. How are they specially adapted to do their job What is the equation for photosynthesis? Where and how do oxygen and carbon dioxide get into the leaf Reproduction 22. What similarities do boys and girls have during puberty? 23. Draw a flow chart to show the journey of sperm into egg. testis 24. How do nutrients and waste get exchanged at the placenta? 25. What is an embryo and a foetus?
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