Nutrition: Nutrition is the mode of taking food by an organism and its utilization by the body
Autotrophic Nutrition: The mode of nutrition in which organisms make food for themselves from simple iorganic substances like carbon dioxide and water) is called autotrophic nutrition
Chlorophyll: Chlorophyll is a green pigment which helps to capture the energy of the sunlight.This energy is used to synthesise(prepare) food from carbon dioxide and water
Photosynthesis: The process in which the green plants make their food in the presence of sunlight, is called photosynthesis (Photo means light and synthesis to combine)
Chlorophyll,Sunlight carbon dioxide and water are necessary to carry out the process of photosynthesis
Cell:The bodies of living organisms are made of tiny units called cells. The cell is enclosed by the cell membrane which surrounds a jelly like substance known as cytoplasm.In the cytoplasm, almost centrally placed a spherical structure called the nucleus is found.
Almost all the living organisms directly or indirectly depend upon the food prepared by the green plants
Algae:These are aquatic lower plants which do not have differentiated stem, root and leaves. They are green in colour due to presence of chlorophyll. Algae cdan prepare their own food by photosynthesis
Heterotrophs: The organisms which cannot make their food and depend on others for their food (including animals and non green plants, that take in food prepared by the green plants) are called heterotrophs
Parasite: The organism either plant or animal that derives nutrients from another organism without benefitting the host ( organism from which it takes nutrients) is known as parasite, for e.g. cuscuta, lice etc
Host:The organism, whether plant or animal, thjat provides nutrients to another organism or organisms known as parasites without being benefitted, is called as host
Insectivorous Plants:The plants which trap insects and digest them by producing digestive juices are called insectivorous plants.These plants are green or some other colour.They can carry out photosynthesis but they can not obtain nitrogen rich substances from soil.So, these plants make their own food but dependon insects for nitrogeous food. for e.g pitcher plant, sundew and bladderwort
Saprotrophic Nutrition:The mode of nutrition in which the organism digests the dead and decaying organic matter of the body by secreting enzymes and then absorb the nutrients in solution form is called saprotrophic nutrition
Saptrotrophs: Organisms which derive their food from dead and decaying matter are called saprotrophs.
Symbiotic relationship:Some organisms live together and share shelter and nutrients.This type of relationship between organisms in which both the partners are benefitted by each other is called symbiotic relationship.for e.g lichens have a fungus partner and algal partner.The fungus partner provides shelter, water and mineral to the alga. In return, the alga provides food which it prepares by photosynthesis
Nutrients: The components of food which are essential for our body, or any other organism for growth and development, are called nutrients.
Stomata:There are tiny pores present on the surface of the leaves for exchange of gases from atmosphere.Each pore is called stoma(Stomata plural for stoma )
Guard cells:They control opening and closing of stomata
Replishment of Nutrients:
Usually crops require a lot of nitrogen to make proteins. After the harvest, the soil becomes deficient in nitrogen. Though nitrogen gas is available in plenty in the air, plants cannot use it in the manner they can use carbon dioxide. They need nitrogen in a soluble form. The bacterium called Rhizobium can take atmospheric nitrogen and convert it into a soluble form. But Rhizobium cannot make its own food. So it lives in the roots of gram, peas, moong beans and other legumes and provides them with nitrogen. Most of the pulses (dals) are obtained from leguminous plants. In return, the plants provide food and shelter to the bacteria.
Autotrophic Nutrition: The mode of nutrition in which organisms make food for themselves from simple iorganic substances like carbon dioxide and water) is called autotrophic nutrition
Chlorophyll: Chlorophyll is a green pigment which helps to capture the energy of the sunlight.This energy is used to synthesise(prepare) food from carbon dioxide and water
Photosynthesis: The process in which the green plants make their food in the presence of sunlight, is called photosynthesis (Photo means light and synthesis to combine)
Chlorophyll,Sunlight carbon dioxide and water are necessary to carry out the process of photosynthesis
Cell:The bodies of living organisms are made of tiny units called cells. The cell is enclosed by the cell membrane which surrounds a jelly like substance known as cytoplasm.In the cytoplasm, almost centrally placed a spherical structure called the nucleus is found.
Almost all the living organisms directly or indirectly depend upon the food prepared by the green plants
Algae:These are aquatic lower plants which do not have differentiated stem, root and leaves. They are green in colour due to presence of chlorophyll. Algae cdan prepare their own food by photosynthesis
Heterotrophs: The organisms which cannot make their food and depend on others for their food (including animals and non green plants, that take in food prepared by the green plants) are called heterotrophs
Parasite: The organism either plant or animal that derives nutrients from another organism without benefitting the host ( organism from which it takes nutrients) is known as parasite, for e.g. cuscuta, lice etc
Host:The organism, whether plant or animal, thjat provides nutrients to another organism or organisms known as parasites without being benefitted, is called as host
Insectivorous Plants:The plants which trap insects and digest them by producing digestive juices are called insectivorous plants.These plants are green or some other colour.They can carry out photosynthesis but they can not obtain nitrogen rich substances from soil.So, these plants make their own food but dependon insects for nitrogeous food. for e.g pitcher plant, sundew and bladderwort
Saprotrophic Nutrition:The mode of nutrition in which the organism digests the dead and decaying organic matter of the body by secreting enzymes and then absorb the nutrients in solution form is called saprotrophic nutrition
Saptrotrophs: Organisms which derive their food from dead and decaying matter are called saprotrophs.
Symbiotic relationship:Some organisms live together and share shelter and nutrients.This type of relationship between organisms in which both the partners are benefitted by each other is called symbiotic relationship.for e.g lichens have a fungus partner and algal partner.The fungus partner provides shelter, water and mineral to the alga. In return, the alga provides food which it prepares by photosynthesis
Nutrients: The components of food which are essential for our body, or any other organism for growth and development, are called nutrients.
Stomata:There are tiny pores present on the surface of the leaves for exchange of gases from atmosphere.Each pore is called stoma(Stomata plural for stoma )
Guard cells:They control opening and closing of stomata
Replishment of Nutrients:
Usually crops require a lot of nitrogen to make proteins. After the harvest, the soil becomes deficient in nitrogen. Though nitrogen gas is available in plenty in the air, plants cannot use it in the manner they can use carbon dioxide. They need nitrogen in a soluble form. The bacterium called Rhizobium can take atmospheric nitrogen and convert it into a soluble form. But Rhizobium cannot make its own food. So it lives in the roots of gram, peas, moong beans and other legumes and provides them with nitrogen. Most of the pulses (dals) are obtained from leguminous plants. In return, the plants provide food and shelter to the bacteria.
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