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This series or organisms taking part at various biotic levels form a food chain (Fig. 15.1). Each step or level of the food chain forms a trophic level. The autotrophs or the producers are at the first trophic level. They fix up the solar energy and make it available for heterotrophs or the consumers.
16 lip 2022 · (a) A food chain which is most advantageous for human beings in terms of energy is: Cereal plant → Human being (b) If the cereal plant is growing in soil rich in pesticides, these pesticides are absorbed by growing plants along with water and minerals, when animals eat these cereal plants, these poisonous chemical pesticides go into their ...
22 sty 2024 · Food Chain: The sequence of living organisms in a community in which one organism consumes another organism to transfer food energy, is called a food chain. A food chain is unidirection where transfer of energy takes place in only one direction.
14 sie 2017 · → In an ecosystem living components depend on each other for their food which give rise to food chains and food webs in nature. → Human activities lead to environmental problems such as depletion of ozone layer and production of huge amount of garbage.
10 lip 2022 · This sequential interlinking of organisms involving the transfer of food energy from producers through a series of organisms with repeated eating and being eaten is called the food chain. A food chain may have 3-4 trophic levels.
#OURENVIRONMENTOur Environment Part-2 | CBSE Class 10 Science (Biology) Explanation | Food chains & Food Web | NCERTOur Environment Part-1: https://youtu.be/...
3 lip 2023 · (1) A food chain involves a nutritive interaction between the living organisms (biotic components) of an ecosystem. In a food chain, there occurs repeated eating, i.e., each group eats the other group and subsequently is eaten by some other group of organisms. (2) A food chain is always straight and proceeds in a progressive straight line.
