the process of nutrition in animals takes place in front of ste
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Animals are heterotrophs and hence they depend on other organisms (plants and other animals) for their food.All the animals can be divided into three groups on the basis of their food habits. These are:HerbivoresCarnivoresOmnivores
Herbivores: Those animals which eat only plants are called herbivores. Examples are Goat, Cow, and Deer etc.
Carnivores: Those animals which eat only other animals as food are called carnivores. Examples are Lion, Tiger, and Lizard etc.
Omnivores: Those animals which eat both, plants and animals are called omnivores. Examples are Man, Dog and Crow etc.
It is the energy of sun which provides food for plants, and animals.Different steps in the process of nutrition in animalsThere are five steps in the process of nutrition in animals.
Ingestion: The process of taking food into the body is called ingestion.Digestion: the process in which the food containing large, insoluble molecules is broken down into small, water soluble molecules is called digestion.Absorption: The process in which the digested food passes through the intestinal wall into blood stream is called absorption.Assimilation: The process in which the absorbed food is taken in by the body cells and used for energy, growth and repair is called assimilation.Egestion: The process in which the undigested food is removed from the body is called egestion.Nutrition in Simple Animals:Amoeba and paramecium are two very simple unicellular animals. In unicellular animals, all the processes of nutrition are performed by the single cell.
Nutrition in Amoeba:Amoeba eats tiny plants and animals as food which floats in water in which it lives.The mode of nutrition in Amoeba is holozoic.The process of obtaining food by Amoeba is called phagocytosis.Steps involved in the nutrition of Amoeba:Ingestion:Amoeba ingests food by forming temporary finger-like projections called pseudopodia around it.The food is engulfed with a little surrounding water to form a food vacuole (‘temporary stomach’) inside the Amoeba.Digestion:In Amoeba, food is digested in the food vacuole by digestive enzymes which break down the food into small and soluble molecules by chemical reactions.Absorption:The digested simple and soluble substances pass out of food vacuole into the surrounding environment.
Assimilation:The absorbed food materials are used to obtain energy through respiration and make the parts of Amoeba cell which leads to the growth of Amoeba.
Egestion:The remaining undigested material is moved to the surface of the cell and thrown out of the body of Amoeba.
Herbivores: Those animals which eat only plants are called herbivores. Examples are Goat, Cow, and Deer etc.
Carnivores: Those animals which eat only other animals as food are called carnivores. Examples are Lion, Tiger, and Lizard etc.
Omnivores: Those animals which eat both, plants and animals are called omnivores. Examples are Man, Dog and Crow etc.
It is the energy of sun which provides food for plants, and animals.Different steps in the process of nutrition in animalsThere are five steps in the process of nutrition in animals.
Ingestion: The process of taking food into the body is called ingestion.Digestion: the process in which the food containing large, insoluble molecules is broken down into small, water soluble molecules is called digestion.Absorption: The process in which the digested food passes through the intestinal wall into blood stream is called absorption.Assimilation: The process in which the absorbed food is taken in by the body cells and used for energy, growth and repair is called assimilation.Egestion: The process in which the undigested food is removed from the body is called egestion.Nutrition in Simple Animals:Amoeba and paramecium are two very simple unicellular animals. In unicellular animals, all the processes of nutrition are performed by the single cell.
Nutrition in Amoeba:Amoeba eats tiny plants and animals as food which floats in water in which it lives.The mode of nutrition in Amoeba is holozoic.The process of obtaining food by Amoeba is called phagocytosis.Steps involved in the nutrition of Amoeba:Ingestion:Amoeba ingests food by forming temporary finger-like projections called pseudopodia around it.The food is engulfed with a little surrounding water to form a food vacuole (‘temporary stomach’) inside the Amoeba.Digestion:In Amoeba, food is digested in the food vacuole by digestive enzymes which break down the food into small and soluble molecules by chemical reactions.Absorption:The digested simple and soluble substances pass out of food vacuole into the surrounding environment.
Assimilation:The absorbed food materials are used to obtain energy through respiration and make the parts of Amoeba cell which leads to the growth of Amoeba.
Egestion:The remaining undigested material is moved to the surface of the cell and thrown out of the body of Amoeba.
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Ans:-The process of nutrition in animals involves five stages:
Ingestion: - The intake of food into body is called ingestion.
Digestion: - The breakdown of food into simpler substances is called digestion.
Absorption: - The uptake of the soluble substances produced during digestion by the tissues in the body are called absorption.
Assimilation: - The use of simple substances to build complex substances required by the body is called assimilation.
Egestion:-Elimination of undigested food from the body is called egestion.
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