excretion in plant and animals in detail
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Excretion in Plants: There is an immense difference in the structure and composition of plants and animals. Did you know that when chemical reactions occur in plants, oxygen is released? This oxygen is supposedly a waste product that the photosynthesis process generates.
Photosynthesis occurs in plants, in the presence of sunlight. This chemical reaction gives rise to oxygen, which is a gas. It diffuses through the stomata or the openings in the leaves. Any excess water that is present in plants gets evaporated through the transpiration process.
Another interesting feature here in plants is that some of the plant wastes are stored in cellular vacuoles, in leaves that fall off. Some other waste products are stored in the xylem, like resins and gums.
Excretion in Animals: Animals are generally more complex in nature when compared to plants, especially the animals belonging to the higher order phyla. Even among some lower organisms, excretion occurs through specialized organs, such as the nephridia seen in earthworms. In others, excretion happens through diffusion.
In the higher phyla and classes of the animal kingdom, animals such as fish, birds, reptiles, etc. have a specific excretory system in place to get rid of the metabolic wastes.
Photosynthesis occurs in plants, in the presence of sunlight. This chemical reaction gives rise to oxygen, which is a gas. It diffuses through the stomata or the openings in the leaves. Any excess water that is present in plants gets evaporated through the transpiration process.
Another interesting feature here in plants is that some of the plant wastes are stored in cellular vacuoles, in leaves that fall off. Some other waste products are stored in the xylem, like resins and gums.
Excretion in Animals: Animals are generally more complex in nature when compared to plants, especially the animals belonging to the higher order phyla. Even among some lower organisms, excretion occurs through specialized organs, such as the nephridia seen in earthworms. In others, excretion happens through diffusion.
In the higher phyla and classes of the animal kingdom, animals such as fish, birds, reptiles, etc. have a specific excretory system in place to get rid of the metabolic wastes.
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