Question

II. Define the following a.Transpiration : b. Symbiosis : c.Heterotrophic nutrition: d.Parasitic nutrition:

Answer 1

Answer:

a. Transpiration is the process of water movement through a plant and its evaporation from aerial parts, such as leaves, stems and flowers. Water is necessary for plants but only a small amount of water taken up by the roots is used for growth and metabolism. The remaining 97–99.5% is lost by transpiration and guttation.

b. Symbiosis is a close relationship between two species in which at least one species benefits. For the other species, the relationship may be positive, negative, or neutral. There are three basic types of symbiosis: mutualism, commensalism, and parasitism.

c. Heterotrophic nutrition is a type of nutrition in which organisms depend upon other organisms for food to survive. Heterotrophic organisms have to take in all the organic substances they need to survive. All animals, fungi, and non-photosynthesizing plants are heterotrophic.

d. In evolutionary ecology, parasitism is a symbiotic relationship between species, where one organism, the parasite, lives on or in another organism, the host, causing it some harm, and is adapted structurally to this way of life. The entomologist E. O.

Explanation:

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Answer 2

Answer:

Transpiration is the process of the plant losing water by evaporation through the Stomata of the leaves.

Symbiosis is the process in which two organisms perform activities together for a mutual benefit.

Heterotrophic Nutrition is the type of nutrition performed by the kind of organisms which cannot synthesize their own nutrients.

Parasitic nutrition is a mode of heterotrophic nutrition where an organism lives on the body surface or inside the body of another type of organism . The parasite obtains nutrition directly from the body of the host.

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