grade 9 qstn
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Answer:
1) The atmosphere protects living things from the Sun's most harmful rays. Gases reflect or absorb the strongest rays of sunlight (Figure below). The atmosphere shields Earth from the most harmful solar rays.
2) At heart, all life on Earth uses a membrane that separates the organism from its environment. ... In this regard, water is essential simply because it's a liquid at Earth-like temperatures. Because it flows, water provides an efficient way to transfer substances from a cell to the cell's environment.
3) Organisms are dependent upon soil. Plants/Producers takes up minerals and water from the soil . When herbivores eat them they indirectly take in the products of soil.Similar cycle continues with successive consumers.
No. Organisms living in water are not independent of soil as resource as they also consume food that is made from soil directly or indirectly.