Biotic Interactions In An Ecosystem. Bio b 4 2 2 describe biotic interactions in an ecosystem e g competition predation symbiosis. Consumers or heterotrophic organisms heterotrophic organisms or referred to as consumers are organisms that take energy and food sources from other organisms.
In this type of. One of the most critical interactions in an ecosystem between the biotic and abiotic environment is photosynthesis the base chemical reaction that drives most life on earth. Plants and algae use sunlight water and carbon dioxide to create the energy they need to grow and live via photosynthesis.
The interactions between various biotic factors are necessary for the reproduction of each species and to fulfil essential requirements like food etc.
The autotroph organism cannot produce its own food. Their presence and their biological by products affect the composition of an ecosystem. Examples of biotic factors. Biotic factors relate to all the living things in the ecosystem.