Asked by Idk
In which biome would you most likely find plants that grow far apart from one another, with narrow leaves and shallow roots? Why do these plants have these adaptations?
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Answered by
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Biome: desert (arid/shrubland).
Why: water is scarce and rainfall is infrequent and brief, so plants evolve to conserve and rapidly capture water.
- Narrow or reduced leaves (or spines) lower surface area for transpiration, reducing water loss.
- Shallow, spreading root systems quickly absorb moisture from light rains before it evaporates; some species also have deep taproots, but many desert shrubs have shallow roots for surface runoff capture.
- Plants grow far apart to reduce competition for the limited water and nutrients in the soil.
Additional common desert adaptations: thick/waxy cuticles, succulent stems for water storage, CAM photosynthesis to open stomata at night.
Why: water is scarce and rainfall is infrequent and brief, so plants evolve to conserve and rapidly capture water.
- Narrow or reduced leaves (or spines) lower surface area for transpiration, reducing water loss.
- Shallow, spreading root systems quickly absorb moisture from light rains before it evaporates; some species also have deep taproots, but many desert shrubs have shallow roots for surface runoff capture.
- Plants grow far apart to reduce competition for the limited water and nutrients in the soil.
Additional common desert adaptations: thick/waxy cuticles, succulent stems for water storage, CAM photosynthesis to open stomata at night.
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