Competition
When two living things need the same thing that is in short supply - food, water, light, space or a place to nest - they compete for it. Plants compete for light, water and minerals; animals for food and shelter. Living things that share a place often avoid fighting over the same thing: owls hunt mice by night and hawks by day. Competition also protects us: the good bacteria in our gut use up the space and food that harmful bacteria would need, which is why taking antibiotics we don't need can let harmful ones in.
Depth 1 · Foundation
You can say what living things compete for, explain how two species can share a place by using its resources differently, and how good gut bacteria protect us by competing.
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Foundation
You can say what living things compete for, explain how two species can share a place by using its resources differently, and how good gut bacteria protect us by competing.
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