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Ecology & Ecosystems

Environment · पारिस्थितिकी और पारिस्थितिकी तंत्र · 15 facts

1

Ecology is study of interaction between organisms and environment

2

Ecosystem has biotic living and abiotic non-living components

3

Food chain shows transfer of energy from one organism to another

4

Producers are green plants that make food by photosynthesis

5

Decomposers break down dead matter fungi and bacteria

6

Trophic levels represent position of organism in food chain

7

Ten percent law only 10 percent energy passes to next level

8

Biomagnification is increase of toxins through food chain

9

Ecological pyramid shows relationship between trophic levels

10

Biome is a large naturally occurring community of organisms

11

Ecosystem services include clean air water and pollination

12

Carrying capacity is maximum population an ecosystem can support

13

Ecological succession is gradual change in species composition of an ecosystem over time

14

Pioneer species are first organisms to colonize a barren ecosystem during primary succession

15

Mangrove ecosystems in India cover about 4992 sq km and act as coastal buffers against storms