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Unit 3: Plant nutrition
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Alternation of generations (n): the alternation of a sexual (gametophyte) and an asexual (sporophyte) phase in plant reproduction. anther (n): the part of the stamen that contains the pollen. asexual…
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The natural environment
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Adapted. Animals and plants are different depending on their habitat. They are adapted to it. Food chain. The food chain shows what the living things in an ecosystem eat. Biological community. A…
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Final evaluation 9 - The Hydrosphere
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Decide which of the following sentences are false and correct them: Some 97,4% of the planet's water is continental. More than 75% of the planet's fresh water is located in glaciers. Homes,…
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Remember - Water
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Water covers a lot of the Earth's surface. We can find water in oceans, seas and rivers. We can also find water in clouds and in snow on mountains. All living things need water. All animals need…
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Answer. Pollination, fertilisation and the formation of seeds
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Remember what you have studied in this section and answer the questions: In what two ways can pollen be transferred? What do we call the process where the spermatozoid and ovule meet? What does the…
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The Palaeolithic period
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The first humans The Palaeolithic period is the first period in Prehistory. The Palaeolithic period began more than two million years ago. Human remains from the Palaeolithic period have been found in…
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Before you read Ch 5 01 (KET) - How the Camel Got His Hump
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Read this text about camels and complete the spaces. There are two kinds of camels the world. The Arabian Camel or Dromedary has one hump. The Bactrian camel two humps. Camels live in the deserts…
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Answer. The fruit. The dispersal and germination of seeds
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Remember what you have studied in this section and answer the questions: What happens to the pistil as the seed develops? Give two examples of fleshy fruits and two examples of dry fruits. How many…
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End-of-unit activities - Energy
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The Sun is the Earth's main energy source. The Sun provides plants and animals with light and heat. This means that they can grow, develop and live on Earth. Heat energy has other effects on…