Question

ans the following ouestion

1. How does gaseous exchange take place in the lower plants?

2. Which part of a plant is involved in the gaseous exchange?

3. From where do the fish obtain their oxygen supply?

4.How does exchange of gases take place in fish?

5. How does exchange of gases take place in AMOEBA ?

6. How does gaseous exchange take place in the lower plants?
please i want the answer​

Answer 1

Answer:

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1 Gas Exchange in Plants. Plants obtain the gases they need through their leaves. They require oxygen for respiration and carbon dioxide for photosynthesis. The gases diffuse into the intercellular spaces of the leaf through pores, which are normally on the underside of the leaf - stomata.

2The exchange of oxygen and carbon dioxide in the leaf (as well as the loss of water vapor in transpiration) occurs through pores called stomata (singular = stoma). Normally stomata open when the light strikes the leaf in the morning and close during the night.

3 Gills are feathery organs full of blood vessels. A fish breathes by taking water into its mouth and forcing it out through the gill passages.

4 Fish exchange gases by pulling oxygen-rich water through their mouths and pumping it over their gills. In some fish, capillary blood flows in the opposite direction to the water, causing counter-current exchange. The gills push the oxygen-poor water out through openings in the sides of the pharynx.

5 in amoeba respiration takes place through its cell membrane also called the plasma membrane. Amoeba gets oxygen gas dissolved in surrounding water through its plasma membrane by the process of diffusion. ... In the body, the oxygen gas absorbed is used to break down the complex food material into simple molecules

Answer 2

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• The gaseous exchange take place in earthworm through its skin in the , fish it from it skills , in the insects it is from spiracles and trachea

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