Ecological Pyramid | CBSE | HINDI

1. Ecological pyramid

2. What is a pyramid ?

3. What is ecological pyramid ?

4. Primary producers • Primary producers convert an abiotic source of energy (e.g. light) into energy stored in organic compounds, which can be used by other organisms (e.g. heterotrophs) • The primary producers can convert the energy in the light (phototroph and photoautotroph) or the energy in inorganic chemical compounds (chemolithotrophs) to build organic molecules, which is usually accumulated in the form of biomass and will be used as carbon and energy source by other organisms level 1 on Pyramid.

5. examples

6. Primary consumers • A primary consumer is an organism that feeds on primary producers. • Primary consumers are those members of a food chain that eat producers or plants. •  Primary consumers are always herbivores, or organisms that only eat autotrophic plants • Level 2 on Pyramid.

7. Examples

8. Secondary consumers • Secondary consumers are organisms that eat primary consumers for energy. • Secondary Consumers are always Carnivorous. • Level 3 on Pyramid.

9. examples

10. Tertiary consumers/ apex predators • A tertiary consumer is an animal that obtains its nutrition by eating primary consumers and secondary consumers • Usually tertiary consumers are carnivorous predators, although they may also be omnivores, which are animals that feed on both meat and plant material • Level 4 on Pyramid.

11. examples

12. decomposers • An organism, especially a soil bacterium, fungus, or invertebrate, that decomposes organic material.