what is symbiotic???
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Answer:
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Answer:
When two organisms live together and share shelter and nutrients,their association is called symbiosis or symbiotic relationship,and the organisms are called symbionts,They mutually help each other.
✾Certain fungi live in the roots of some plants.
✾Certain fungi live in the roots of some plants.Plants gives them nutrients.
- Fungi(s) gives them water from soil.
✾Lichens are symbiotic organisns,in which an alga and a fungus live together and derive nutrients from each other.
- The alga is green and autotroph.It make food for both by photosynthesis.
- The fungus provides shelter,water and minerals to alga.
Rhizobium:-
Roots of leguminous plants have nodules.Bacteria belonging to genus Rhizobium live in these nodules.
Work of Rhizobium:-
- ⟶ They convert atmospheric nitrogen into soluble nitrates.
- ⟶These nitrogen compounds are used by leguminous plants.
- ⟶Rhizobiums can not make their own food,therefore depends on the plants for it.
Thus,leguminous plants and Rhizobium have a symbiotic relationship.
⛧Gram,Moong,Urad,Peas,Beans are some examples of leguminous plants.
Attachment:-
A lichen growing on a tree trunk(shows symbiotic relationship between a fungus and alga)