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Check. The consequences of colonisation
EduBook Organización
- 1877 visitas
Remember what you have studied in this section and answer the questions: How were local landscapes affected by the process of colonisation? What were the negative effects of improved health and…
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Complete. A summary of plant reproduction
EduBook Organización
- 1870 visitas
Write these words in the correct spaces: bulbs zygote spores ovule stamens tubers calyx seed germination transferring pistil embryo stamens A flower is made up of a , a corolla, and a pistil.…
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True/false. Insects
EduBook Organización
- 1857 visitas
Are the following sentences about insects true or false? The mouthparts of insects have adapted so that they can live underwater. Most insects have wings. Insect mouthparts are adapted to the different…
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The first humans. The Palaeolithic Age
EduBook Organización
- 1844 visitas
1.1. Human evolution About six million years ago in Africa, some primates began to adapt to new climatic conditions. These first hominids evolved over time into human species. The most important changes…
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Internal geodynamics and surface relief
EduBook Organización
- 1825 visitas
The forces inside the Earth cause mountain chains to form They also deform rocks and form folds, or break rocks and cause geological faults or joints. 6.1. Mountain ranges Mountain ranges are chains of…
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Video: Protein Synthesis
Tiching explorer Organización
- 2010 visitas
This animated presentation explains the transcription and translation process to build cellular proteins out of DNA. We compare prokaryotic and eukaryotic protein synthesis and focus on the former. We…
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Correct. Birth
EduBook Organización
- 1777 visitas
Correct the underlined mistakes in the text with the correct words: umbilical caesarian section fetus navel vagina ova zygote sperm Birth is the process in which the embryo is born, it travels from the…
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Pollination, fertilisation and the formation of seeds
EduBook Organización
- 1735 visitas
Pollination Sexual reproduction in plants occurs when a spermatozoid meets an ovule. For this to happen, the pollen grains need to travel from the stamens to the pistil. This process of transferring…
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Unit 8: The Earth, a Living Planet
EduBook Organización
- 1709 visitas
Asexual reproduction (n): the process of reproduction of a single organism by itself. autotroph (n): an organism that produces its own food for nutrition. bioelement (n): any of the chemical elements…
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The importance of plants
EduBook Organización
- 1687 visitas
Photosynthesis is an essential process for plants because it provides them with food. It is not only plants that benefit from photosynthesis. All living things benefit for two reasons: Animals depend on…
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