Our environment short notes, Cheat Sheet of Biology

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Producers

Secondary

Consumers

Primary

Consumers

Tertiary Consumers

Ecosystem

andItcompounds

· Environment :^ everthing that^ surrounds^ us.

·

Ecosystem

: (^) Biotic+ Abistie (^) Componente

Plants, animals , Sail, Hz0^ , light, temperature

decomposers

Ecosystem

e. g., Forest, lake, e. g,Cropland, Pond aquarium, garden

· NOTE^ : Biotic^

organisms

depends upon abiotic factors.

Producers : all

plants and^

certain bacteria.

onsumers : depends

directly

or indirectly on plants.

i.^ e,

they

can be^ herbivore, carnivore (^) , Omnivore (^) and (^) parasites.

Decomposers :^ mostly bacteria^ and^ Fungi that^ canConvert^ organic matter

into

inorganic matter.

Foodchains and (^) webs

· Each step of food chain or web represents

trophic level^ e^. g, producers at

First (^) trophic level. ·

EnergyFlows from^ One^ trophic^

level to another (d) Top

arnous

· Sun carnivores 0 %

herbivores

Plants 11

-MANAGINGEARBAGE^ WEPRODUCE · non-biodegradable thing like plastic are^ not^ degraded by decomposers orSaprophytes : (^) they pile up^. ·.^ we^ need^ to^ add^ more^ and^ more^ biodegradable things

in our life

style e. g., Kulhads, Paper Cups (^) , glass cups,etc^.