what is nutrtion ? how many ways plants and animal drive from nutrition ? explain them
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Nutrition is the process of taking in food and converting it into energy and other vital nutrients required for life.” Nutrients are the substances which provide nutrition. All living organisms need nutrients for proper functioning and growth.
Process of Nutrition in Animals
The process of nutrition in animals involves the following steps:
Ingestion
Ingestion is the process of taking in food.
Digestion
In this process, the larger food particles are broken down into smaller, water-soluble particles. There are physical or chemical for digesting food.
Absorption
The digested food is absorbed in the bloodstream through the intestinal wall.
Assimilation
The absorbed food is used for energy, growth and repair of the cells of the body.
Egestion
The undigested food is removed out of the body in the faeces. This process is known as egestion.
Nutrition in Simple Animals
Amoeba
Amoeba ingests its food with the help of pseudopodia.
The food is engulfed by forming a vacuole and is digested with the help of digestive enzymes.
The digested food is absorbed directly into the cytoplasm by the process of diffusion.
Energy is obtained from the absorbed food that helps in its growth.
The undigested food is egested out of the body of amoeba by rupturing the cell wall.
Nutrients are the components found in our food such as carbohydrates, vitamins, minerals, fats etc. These components are necessary for living organisms to survive. Plants produce their own food while animals and human beings do not produce their own food. We indirectly or directly depend on plants and animals for our food needs.
Table of Contents
Modes Of Nutrition
Autotrophic Nutrition in Plants
Photosynthesis
Conditions necessary for Photosynthesis
Steps in Photosynthesis
Heterotrophic Nutrition in Plants
Heterotrophic Plants
Parasitic Nutrition
Insectivorous Nutrition
Saprophytic Nutrition
Symbiotic Nutrition
Process of Nutrition in Animals
The process of nutrition in animals involves the following steps:
Ingestion
Ingestion is the process of taking in food.
Digestion
In this process, the larger food particles are broken down into smaller, water-soluble particles. There are physical or chemical for digesting food.
Absorption
The digested food is absorbed in the bloodstream through the intestinal wall.
Assimilation
The absorbed food is used for energy, growth and repair of the cells of the body.
Egestion
The undigested food is removed out of the body in the faeces. This process is known as egestion.
Nutrition in Simple Animals
Amoeba
Amoeba ingests its food with the help of pseudopodia.
The food is engulfed by forming a vacuole and is digested with the help of digestive enzymes.
The digested food is absorbed directly into the cytoplasm by the process of diffusion.
Energy is obtained from the absorbed food that helps in its growth.
The undigested food is egested out of the body of amoeba by rupturing the cell wall.
Nutrients are the components found in our food such as carbohydrates, vitamins, minerals, fats etc. These components are necessary for living organisms to survive. Plants produce their own food while animals and human beings do not produce their own food. We indirectly or directly depend on plants and animals for our food needs.
Table of Contents
Modes Of Nutrition
Autotrophic Nutrition in Plants
Photosynthesis
Conditions necessary for Photosynthesis
Steps in Photosynthesis
Heterotrophic Nutrition in Plants
Heterotrophic Plants
Parasitic Nutrition
Insectivorous Nutrition
Saprophytic Nutrition
Symbiotic Nutrition
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