4.Answer the following questions in brief : (Any 1) 4M 1) Explain the interaction between abiotic & biotic components of an ecosystem. 2) Explain structural & behavioural adaptations. 3) Explain level of organization in living organism in detail.
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Answer:
(a) introduction in ecology and biology abiotic components are non living chemical and physical factors in the environment which affect ecosystems. Biotic describes a living component of an ecosystem for example organisms such as plants and animals
(b) structural adaptations are physical features of an organism like the bill on a bird or the power on a behavioral adaptations are the things organisms do to survive for example bird calls and migration are behavioral adaptations adaptations are the result of evolution
(c) the highest level of organisation for living thing is the biosphere it encompasses all other levels the biological levels of organisation of living things a range from the simplest to most complex are organelle , cells , tissues, organs, organ systems ,organism and populations communities, ecosystem and biosphere