Interactions Within An Ecosystem | Ecology and Environment | Biology | FuseSchool
Ecosystems are large, often highly complex areas of our environment.
In this video we learn how abiotic and biotic factors interact with one another in a ecosystem, how trophic levels work, and how various factors in an ecosystem lead to evolution of species through different selection pressures.
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Transcript: alugha
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Plants have developed responses called tropisms. A tropism is a growth in response to a stimulus; so light and water in the plant’s case.
There are different types of tropisms: Positive tropisms are when growth is towards the stimulus - so the plant growing towards the light to maximise the stimul
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CREDITS
Animation & Design: Waldi Apollis
Narration: Dale Bennett
Script: Lucy Billings
Look at these baby animals. You will have immediately observed how cute and fluffy they are but you will
also have noticed that they are different -
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Enzymes are really important proteins, that speed up the rates of reactions such as in photosynthesis, respiration and protein synthesis.
The enzymes and substrates are always moving, and occasionally they collide at the right speed and