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Yogita Ingle 7 years, 5 months ago
Rearing of sheep means to look after the sheep by providing them food, shelter and health care.
Breeding is done to obtain animals with desired characters . the two individuals of desirable character can be selected as parents. these are then crossed to obtain new breed of the animals having desirable characters of both parents . this is called selective breeding.
Posted by Suyash Chaurasiya 7 years, 5 months ago
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Yogita Ingle 7 years, 5 months ago
Amoeba is an important protozoa found in fresh water. It feeds on microscopic plants and animals present in water. The mode of nutrition in amoeba is Holozoic. And the process of obtaining food by amoeba is called phagocytosis. The different processes involved in the nutrition of amoeba are:
1. Ingestion: Ingestion is the process of taking food in the body.
2. Digestion: Digestion is the process of breaking the large and insoluble molecules in small and water soluble molecules.
3. Absorption: The food digested by digestive enzymes is then absorbed in the cytoplasm by the process of diffusion.
4. Assimilation: During this step the food absorbed by the cytoplasm is used to obtain energy, growth and repair. This process of utilizing absorbed food for obtaining energy, repair and growth is called assimilation.
5. Egestion: When a sufficient amount of undigested food gets collected in the food vacuole, it is thrown out of the body by rupturing cell membrane. The process of removal of undigested food from the body is called egestion.
Posted by Rohit Bansal 7 years, 5 months ago
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Yogita Ingle 7 years, 5 months ago
Parasites are an incredibly varied group of organisms that live within host cells. They are smaller than their host organism and reproduces faster by causing more damage to the host.They receive all sort of benefits like food and shelter from the host. Their size ranges from tiny, single-celled organisms to worms over 20- 30 m in length.
For example- Tapeworms. They are flat, segmented worms, live in the intestines of animals by absorbing the host’s nutrients.
Posted by Kumud Kumari Singh 7 years, 5 months ago
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Yogita Ingle 7 years, 5 months ago
Autotrophic Nutrition: Auto means self and trophos means nourishment. Plants are called autotrophs because they make their food themselves. The making of food for themselves is called the Autotrophic nutrition. Autotrophic nutrition is found in green plants, and in some bacteria.
Heterotrophic Nutrition: The word Heterotrophic is the combination of two words i.e. Hetero + Trophos. Hetero means ‘others’ and ‘trophos’ means nourishment. If organisms depend on others for their food, such a mode of nutrition is called Hetetrophic Nutrition. Animals cannot make their food themselves. They depend for food upon plants.
Saprotrophic Nutrition: The uptake of nutrients by organism from dead and decaying matter in the form of solution is called the saprotrophic nutrition. The organisms which use saprotrophic mode of nutrition are called saprotrophs. For example: fungi.
Posted by Om Anjul 7 years, 5 months ago
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Yogita Ingle 7 years, 5 months ago
Vermicomposting involves degradation of organic matter into fertile manure by using special type of earthworms called as red worms. The nutrient rich manure is called as vermicompost. The process of preparing manure with the help of red worms is called vermicomposting. The red worm is a type of earthworm that lives in the soil rich in organic matter. Organic soils are rich in nitrogen and carbon with plenty of moisture and microbes.
Posted by Jitender Dass 7 years, 5 months ago
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Yogita Ingle 7 years, 5 months ago
Autotrophs are the organisms which exhibit autotrophic mode of nutrition. They are also called producers. Autotrophs are organisms which can synthesise their own food by the process of photosynthesis. Plants and some bacteria that can synthesise their own food and are called as autotrophs.
Posted by Tanmay Tiwari 7 years, 5 months ago
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Yogita Ingle 7 years, 5 months ago
Autotrophs are the organisms which exhibit autotrophic mode of nutrition. They are also called producers. Autotrophs are organisms which can synthesise their own food by the process of photosynthesis. Plants and some bacteria that can synthesise their own food and are called as autotrophs.
Posted by Abhijeet Baglari 7 years, 5 months ago
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Yogita Ingle 7 years, 5 months ago
A composition of blood: Blood consists of two main components:
(i) Plasma
(ii) Formed elements or corpuscles.
Plasma is the main component of blood and consists mostly of water, with proteins, ions, nutrients, and wastes mixed in. Red blood cells are responsible for carrying oxygen and carbon dioxide. Platelets are responsible for blood clotting.
Formed Elements or Corpuscles: Formed particles or corpuscles consists of (i) Erythrocytes or Red blood cells (ii) Leucocytes or White blood cells
Posted by Toshant Singh 7 years, 5 months ago
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Posted by Rishi Agrahari 7 years, 5 months ago
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Yogita Ingle 7 years, 5 months ago
Nutrition is the process of taking food by an organism and utilization of food for energy. This is a vital process which helps living beings to obtain their energy from various sources. Nutrients are the substances which provide nutrition. All living organisms need nutrients for proper functioning and growth. The making of food for themselves is called the Autotrophic nutrition. If organisms depend on others for their food, such a mode of nutrition is called Hetetrophic Nutrition. The uptake of nutrients by organism from dead and decaying matter in the form of solution is called the saprotrophic nutrition.
Posted by Rishi Agrahari 7 years, 5 months ago
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Yogita Ingle 7 years, 5 months ago
Nutrition is the process of taking food by an organism and utilization of food for energy. This is a vital process which helps living beings to obtain their energy from various sources. Nutrients are the substances which provide nutrition. All living organisms need nutrients for proper functioning and growth.
Posted by Manish Baruah 7 years, 5 months ago
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Yogita Ingle 7 years, 5 months ago
- Plants make their own food using sunlight, water, carbon dioxide, and other minerals present in their environment.
- Most of the plants use photosynthesis process to make their food using a green pigment in their leaves called Chlorophyll.
- Some plants that do not have chlorophyll use different methods to make their food. They take food from other plants or even eat insects.
Posted by Manish Baruah 7 years, 5 months ago
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Posted by Chetna Maheshwari 7 years, 5 months ago
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Yogita Ingle 7 years, 5 months ago
- Plants prepare their food by using raw materials like water, carbon dioxide and minerals.
- The process of utilization of food by a living organism to obtain energy is called nutrition.
- There are two modes of nutrition
- Autotrophs or Autotrophic: - In this mode of nutrition organisms make their food themselves from simple substances. All green plants are Autotrophs (Auto means self and trophos means nourishment)
- Heterotrophs or heterophobic: - Heterotrophic organisms are those who obtain food from other organisms. Since these organisms depend on other organisms for their food, they are called consumers. All animals and non-green plants like fungi come under this category.
Posted by Amrinder Singh 7 years, 5 months ago
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Yogita Ingle 7 years, 5 months ago
The main reason why aircraft are painted white or light colours is to reflect sunlight and minimise both the heating and any potential damage from solar radiation. It helps in easier inspection of cracks and dents on the fuselage and is also cost-effective. White planes also tend to have a higher resale value than colored ones. So, colour of plane is white.
Posted by Yash Mishra 7 years, 5 months ago
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Yogita Ingle 7 years, 5 months ago
The main reason why aircraft are painted white or light colours is to reflect sunlight and minimise both the heating and any potential damage from solar radiation. It helps in easier inspection of cracks and dents on the fuselage and is also cost-effective. White planes also tend to have a higher resale value than colored ones. So, colour of plane is white.
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Anushka Jha Mithi 7 years, 5 months ago
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