You may have to enlarge it but here you go!
Root absorbs water and anchor the plant in soil
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Space describes the distance between objects
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Frogs breathe (and expel mucus) through their skin.
The niche of an organism is the functional role that it plays within an ecosystem. The niche (better refined as the 'ecological niche') is determined by the abiotic factors, which comprise of living features such as animals, plants and fungi, and biotic factors.
This is what I found on the internet hope it helps