21050135
Description
Mind Map by Rishu Kumar, updated more than 1 year ago
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Created by Rishu Kumar
about 4 years ago
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MODES OF NUTRITION
- AUTOTROPHIC
- Autotrophic mode of nutrition is the mode of nutrition in which organisms make their own food by
converting simple inorganic materials (like carbon and water) into organic compounds(like glucose)
- PHOTOAUTOTROPHIC
Annotations:
- They use sunlight as their source of energy. Example: plants, blue green bacteria, some bacteria, some protists(like euglena, diatoms)
- CHAEMOAUTOTROPHIC
Annotations:
- They use chemicals as a source of energy. Example: Iron bacteria, Sulphur bacteria, Nitrifying bacteria
- PHOTOAUTOTROPHIC
- Autotrophic mode of nutrition is the mode of nutrition in which organisms make their own food by
converting simple inorganic materials (like carbon and water) into organic compounds(like glucose)
- HETEROTROPHIC
- Heterotrophic mode of nutrition is the nutrition in which organisms can not create their own food
and depend on autotrophs for their food directly or indirectly.
- SAPROTROPHS
- They obtain food from dead and decay.
- Mode of intake is absorptive
- Digestion occurs outside (extracellular)
- Digestion occurs outside (extracellular)
- Mode of intake is absorptive
- They obtain food from dead and decay.
- PARASITIC
- They derive their food from a living host.
- Based on amount of nutrients required from host
- COMPLETE
- Get all the required nutrients from the host
- Example: Cascutta
- Example: Cascutta
- Get all the required nutrients from the host
- PARTIAL
- Get some required nutrients (like nitrogen) from the host.
- Example: Santalum, Mistletae
- Example: Santalum, Mistletae
- Get some required nutrients (like nitrogen) from the host.
- COMPLETE
- Based on place of living
- ECTOPARASITE
- outside the host
- Example: lice, leech, mosquito
- Example: lice, leech, mosquito
- outside the host
- ENDOPARASITE
- inside the host
- Example: Tapeworm, Roundworm
- Example: Tapeworm, Roundworm
- inside the host
- ECTOPARASITE
- Based on amount of nutrients required from host
- They derive their food from a living host.
- HOLOZOIC
- engulf solid food
- The holozoic nutrition is that nutrition in which an organism takes the complex organic food
materials into its body by the process of ingestion, the ingested food is digested and then
absorbed into body cells of organisms.
- Digestion occurs within the body.
- Digestion occurs within the body.
- The holozoic nutrition is that nutrition in which an organism takes the complex organic food
materials into its body by the process of ingestion, the ingested food is digested and then
absorbed into body cells of organisms.
- engulf solid food
- Sanguivorous
- feed on blood
- feed on blood
- SAPROTROPHS
- Heterotrophic mode of nutrition is the nutrition in which organisms can not create their own food
and depend on autotrophs for their food directly or indirectly.
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