Answer the following questions. (any-5) 10
1. What is winnowing? Where is it used?
2. What is a habitat? Write any 3 habitats.
3. Name the parts of shoot system.
4. What are biotic and abiotic components of habitat.
5. What is adaptation?
6. What is sieving? Where is it used?
Answers
Answer:
1.Winnowing: The process of separating heavier and lighter components of a mixture by wind or by blowing air is called winnowing. This method is used by farmers to separate lighter husk particles from heavier seeds of grain
Explanation:
2. The terrestrial vegetation type may be forest, steppe, grassland, semi-arid or desert. Fresh-water habitats include marshes, streams, rivers, lakes, and ponds; marine habitats include salt marshes, the coast, the intertidal zone, estuaries, reefs, bays, the open sea, the sea bed, deep water and submarine vents
3. The shoot system consists of the stems and leaves of the plant. More specifically, it includes the nodes, internodes, axillary buds, terminal bud and leaves. The leaf has four parts as well, the stalk, blade, veins and petiole.
4. The biotic factors refer to all the living beings present in an ecosystem, and the abiotic factors refer to all the non-living components like physical conditions (temperature, pH, humidity, salinity, sunlight, etc.) and chemical agents (different gases and mineral nutrients present in the air, water, soil, etc.)
5. the state or process of changing to suit a new situation.
6. Sieving. Sieving is a simple technique for separating particles of different sizes. A sieve such as used for sifting flour has very small holes. ... Sieves are also used to separate stones from sand.
Answer:
The upper answer is very correct
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