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Why are non-vascular plants: ....?

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Understanding the Non-vascular plants

Why are non-vascular plants:

- Restricted to moist environments?

- Always small?

Apr 28th, 2015

- Nonvascular plants are almost always found in damp, shady places. They have little or no resistance to drying, and because they lack vascular tissue they cannot carry water from the ground to the aerial parts of the plant. Like sponges, they must imbibe the water lying on their surfaces and distribute it by the relatively slow means of diffusion, capillary action, and cytoplasmic streaming. Therefore, they cannot survive for very long in areas that are not constantly moist. Some can survive in alternative habitats such as sand dunes, but the majority thrive in dark, dank places. Because of their limited range of terrestrial habitats, nonvascular plants have never dominated much of the earth's landscape.

- They are so small because they don't have any tubes... food made in the plants must travel with the water from cell to cell. For this reason, nonvascular plants live in damp places and don't grow to be large or tall. Your welcome.

Apr 28th, 2015

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