Roots and Shoots

Terrestrial tree share a couple of defining characteristics, structural and also functional. Probably the most basic shared function of many plants is their division into shoots and roots. The separation between these two sections of the tree came around during the evolutionary move from an aqueous atmosphere to a terrestrial one, and each component is important in that own method to the plants" capacity to endure on land.

Figure %: A generalised Plant

The root, identified as the portion of a tree beneath the soil, bring in essential water and also minerals from the soil. It additionally anchors the plant to the substrate, offering stability.

The shoot has all aerial plant structures such as stems, leaves, flowers, and fruits. The shoot gathers the carbon dioxide and light power necessary because that photosynthesis, provides surfaces for gas exchange, and also contains the plant"s reproductive organs. Each of this parts, the root and the shoot, is dependence on the other, for roots cannot execute photosynthesis and also shoots cannot take it in water and inorganic nutrients.

avoidance of Water Loss

Plants share other structural attributes as well, many of i beg your pardon stem from their adaptation to terrestrial conditions. Every plants have actually reproductive frameworks that protect against desiccation (drying out) of the gametes. This sex organs, called antheridia (male) and archegonia (female), are themselves covered by a layer of jacket cells that aid to maintain moisture.

In addition to the protection given to the sex organs, the tree surfaces exposed to air room covered in a waxy layer, dubbed a cuticle, that guards against water loss. Gas exchange in tree is restricted to pores in the sheet epidermis dubbed stomata, which can open and also close come prevent excessive evaporation that water into the environment.


Most plants room autotrophs, organisms that synthesize every their own organic nutrients and do not count on other organisms for food. The reason that plants are autotrophic is that they lug out photosynthesis in their leaves. In the procedure of photosynthesis, the tree converts water, carbon dioxide, and light energy into oxygen, sugars, and much more water. The oxygen is released into the neighboring air through the stomata, and the sugars (organic nutrients) are transported throughout the plant human body to locations of growth and storage.

Alternation that Generations

Finally, tree undergo a life cycle that takes them with both haploid and diploid generations. The multicell diploid plant framework is dubbed the sporophyte, i m sorry produces spores through meiotic division. The multicellular haploid plant structure is called the gametophyte, which is developed from the spore and also give climb to the haploid gametes. The fluctuation between these diploid and haploid stages that occurs in plants is called the alternation of generations.

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For additional discussion, see Life Cycle, Alternation of Generations .