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True/false. Human reproduction
EduBook Organización
- 2647 visitas
Decide if the following statements are true or false: The zygote is formed of many different cells. ➝ The union of sperm and ovum is called fertilisation. ➝ Only one individual is involved in sexual…
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Reproduction in flowering plants
EduBook Organización
- 2583 visitas
Some plant species reproduce asexually, but most plants reproduce sexually. A pollen grain fertilises the egg cell inside the ovule. The sexual organs of spermatophytes (flowering plants) are in the…
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Investigate - Reproduction in plants
EduBook Organización
- 2567 visitas
Find a flower in a nearby park. Bring it to class. Look at it under a magnifying glass. Can you see the stamens? Can you see the pistil? What colour are the petals?
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Answer. Plant reproduction
EduBook Organización
- 2133 visitas
Think and answer: Do all plants have flowers? At what time of the year do most plants bloom (produce flowers)? Do you know the name of the species of tree in the photo? What fruit does it produce? What…
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Think. Plant reproduction
EduBook Organización
- 2054 visitas
Answer these questions in your notebook: Why do you think that the petals of flowers are often brightly coloured? Why are the seed-buds inside the pistil? At what point do seeds use the food supply they…
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Cell reproduction: Matching
Tiching explorer Organización
- 1 lo usan
- 1562 visitas
In this exercise we have to match the terms with their corresponding definitions.
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Complete. Asexual reproduction
EduBook Organización
- 1885 visitas
Complete the following sentences: rhizomes single tubers only one sporangia Asexual reproduction requires individual. The potato is an example of asexual reproduction by . Grasses reproduce by . Spores…
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Select. Animal reproduction
EduBook Organización
- 1823 visitas
Identify the word in each group that should not be there. The key word of each group is in bold:
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Identify. Definitions of reproduction
EduBook Organización
- 1797 visitas
Match the words to their definitions: fallopian tubes sexual reproduction umbilical cord sexual characteristics Type of reproduction which involves two individuals. The physical differences between men…
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Spore Rain (mushrooms reproduction)
Eva Ribes Organización
- 2 lo usan
- 1418 visitas
Cada nueva temporada innumerables esporas se liberan en el aire por los hongos. Durante unos días, todos tratan de jugar al máximo de su capacidad. La estrategia original de estos seres es fabricar…
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