What are the processes of excretion in plants and animals, and what wastes are involved?
Understand the Problem
The text discusses the process of excretion in both plants and animals, highlighting how plants eliminate waste and the usefulness of certain plant wastes, as well as how different animals excrete metabolic waste substances. The section explains the significance of various plant products and their applications, along with the methods animals use for waste elimination.
Answer
Plants excrete gases and via shedding parts; animals use kidneys and bladder to excrete urea.
Excretion in plants involves the release of oxygen and carbon dioxide through stomata, and the elimination of waste via falling dead leaves and bark. In animals, the excretory system, including kidneys and bladder, removes wastes like urea through urine. Lower animals excrete ammonia directly.
Answer for screen readers
Excretion in plants involves the release of oxygen and carbon dioxide through stomata, and the elimination of waste via falling dead leaves and bark. In animals, the excretory system, including kidneys and bladder, removes wastes like urea through urine. Lower animals excrete ammonia directly.
More Information
Plant wastes like latex, gums, and resins can be commercially useful. Some plants accumulate calcium oxalate. Protozoans excrete by diffusion.
Tips
Confusing plant gaseous exchange (photosynthesis) with excretion. Plant excretion also occurs through shedding of parts.
Sources
- Excretion in Plants and Animals - tutormate.in
- Excretion | Definition, Systems, Examples, Importance, & Facts - britannica.com
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