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Before you start - Animal reproduction
EduBook Organización
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Reproduction is the only vital function that is not needed to keep an individual alive. It ensures the continuation of the species. Although sexual reproduction is a universal characteristic of animals,…
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End-of-unit activities - The Animal Kingdom (I). Invertebrates
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Today our planet is home to a great variety of organisms. This is the result of an evolutionary process that began some 3.5 billion years ago. Invertebrates are a very diverse group of animals that do…
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Final self-evaluation 9.02 - The Plant Kingdom
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Complete the text with the missing words: stem – multicellular – Photosynthesis – mineral – ground – water – autotrophic – sap – roots – vessels Plants are and organisms that rooted to…
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The cell - Introduction
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1. From biomolecules to organisms The molecules that make up living things, biomolecules, join together to form large molecules called macromolecules. The next level of complexity is the cell, which is…
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True/false. Characteristics of plants
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Are the following sentences true or false? Plants are unicellular organisms. The branching structure of roots helps plants to absorb water and nutrients. Plants are capable of making their own food. All…
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Before you start - Living things
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Didactic objectives Recognise the characteristics of living things. Identify the main activities of living things. Understand that living things are sensitive to their environment. Recognise that living…
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Think about it. Abiotic factors
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Remember what you have studied in this section and answer the questions: Why do you think life developed in water before it developed on land? Light is very important for which organisms? How does light…
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Trophic relationships in ecosystems
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4.1. Matter and energy in an ecosystem In an ecosystem, living things perform different functions in the process of production and transfer of matter and energy. They are divided into: Producers. These…
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Classification of plants
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Characteristics of plants Plants have the following charcteristics: They do not feed on other organisms. Instead, they make their own food through photosynthesis. Plants are green because they contain a…
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Summaries - The Plant Kingdom
EduBook Organización
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1. Plants Plants originated 500 million years ago from green algae in the sea. Plants are multicellular organisms with particular characteristics: They are held in place in the ground by roots. They are…
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