Nutrition in Animals: Types and Process
StudyMafia
.Org
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Table Contents
Definition
Introduction
Categories
of
Animals
Types of Nutrition in Animals
Process
of Nutrition in Animals
Modes
of Nutrition in Animals
Conclusion
2
Definition
Nutrition in animals depends upon the feeding habits
of the animals. The process of taking in food is called
ingestion. The method of ingestion is different in
different animals.
3
Introduction
•
The specialization of organisms towards specific
food sources and of course specific ways of eating
is one of the major causes of the evolution of form
and function.
•
For example, the differences in the parts of the
mouth and shape of the teeth in whales,
mosquitos, tigers and sharks or distinct forms of
beaks in birds, such as in hawks, woodpeckers,
pelicans, hummingbirds, and parrots are the
results of adaptation to different types of eating
by these animals.
4
5
Categories
of
Animals
•
Herbivores
: Herbivores are animals that
depend upon plants and fruits for their
nutrition. Cows, goats, sheep, buffaloes, etc.
are herbivores.
•
Carnivores
: Carnivores are animals that
depend upon other animals for food. Lion,
tigers, wolfs are some examples of carnivores.
•
Omnivores
: These include organisms that eat
both plants and animals. Humans, bears,
dogs, crows are omnivores.
6
Types of Nutrition in Animals
•
Filter Feeding
: obtaining nutrients from
particles suspended in water. Commonly
used by fish.
•
Deposit feeding
: obtaining nutrients from
particles suspended in the soil.
Earthworms use this mode of ingestion.
•
Bulk feeding
: obtaining nutrients by eating
the whole of an organism. Example:
Python.
●●●
7
Types of Nutrition in Animals
•
Fluid feeding:
obtaining nutrients by
consuming other organisms’ fluids. Honey
bees, and mosquitos exhibit this mode of
food intake.
•
Ram feeding and suction feeding:
ingesting prey via the surrounding fluids.
This mode of ingestion is usually exhibited
by aquatic predators such as bony fish.
8
Process of Nutrition in Animals
•
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
processes for digesting food.
●●●
9
Process of Nutrition in Animals
•
Absorption
The digested food is absorbed into 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 from the body in
the form of faeces. This process is known as
egestion.
10
Modes of Nutrition in Animals
•
Autotrophic nutrition:
In this type of
nutrition, the plants and other
photosynthetic organisms prepare their own
food with the help of sunlight, water and
carbon dioxide.
•
Heterotrophic nutrition:
The animals cannot
prepare their own food. Therefore, they
have to rely on other animals for nutrition.
This is known as heterotrophic nutrition.
11
12
Conclusion
Nutrition in animals is as important as it is for
plants. Plants prepare their own food by the
process of photosynthesis but animals cannot
prepare their own food, hence they need to
depend on plants or other animals for their food.
13
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Nutrition in animals is vital for their survival, with various categories like herbivores, carnivores, and omnivores. Different modes of nutrition include filter feeding, deposit feeding, bulk feeding, fluid feeding, and suction feeding. The process of nutrition involves ingestion, digestion, absorption, and assimilation of nutrients. Specialization in feeding habits has led to the evolution of distinct structures in animals. This comprehensive guide explores the types and process of nutrition in animals.
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Presentation Transcript
StudyMafia.Org Nurition In Animals Submitted To: Submitted By: Studymafia.org Studymafia.org
Table Contents Definition Introduction Categories of Animals Types of Nutrition in Animals Process of Nutrition in Animals Modes of Nutrition in Animals Conclusion 2
Definition Nutrition in animals depends upon the feeding habits of the animals. The process of taking in food is called ingestion. The method of ingestion is different in different animals. 3
Introduction The specialization of organisms towards specific food sources and of course specific ways of eating is one of the major causes of the evolution of form and function. For example, the differences in the parts of the mouth and shape of the teeth in whales, mosquitos, tigers and sharks or distinct forms of beaks in birds, such as in hawks, woodpeckers, pelicans, hummingbirds, and parrots are the results of adaptation to different types of eating by these animals. 4
Categories of Animals Herbivores: Herbivores are animals that depend upon plants and fruits for their nutrition. Cows, goats, sheep, buffaloes, etc. are herbivores. Carnivores: Carnivores are animals that depend upon other animals for food. Lion, tigers, wolfs are some examples of carnivores. Omnivores: These include organisms that eat both plants and animals. Humans, bears, dogs, crows are omnivores. 6
Types of Nutrition in Animals Filter Feeding: obtaining nutrients from particles suspended in water. Commonly used by fish. Deposit feeding: obtaining nutrients from particles suspended in the soil. Earthworms use this mode of ingestion. Bulk feeding: obtaining nutrients by eating the whole of an organism. Example: Python. 7
Types of Nutrition in Animals Fluid feeding: obtaining nutrients by consuming other organisms fluids. Honey bees, and mosquitos exhibit this mode of food intake. Ram feeding and suction feeding: ingesting prey via the surrounding fluids. This mode of ingestion is usually exhibited by aquatic predators such as bony fish. 8
Process of Nutrition in Animals 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 processes for digesting food. Ingestion 9
Process of Nutrition in Animals The digested food is absorbed into 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 from the body in the form of faeces. This process is known as egestion. Absorption 10
Modes of Nutrition in Animals Autotrophic nutrition: In this type of nutrition, the plants and other photosynthetic organisms prepare their own food with the help of sunlight, water and carbon dioxide. Heterotrophic nutrition: The animals cannot prepare their own food. Therefore, they have to rely on other animals for nutrition. This is known as heterotrophic nutrition. 11
Conclusion Nutrition in animals is as important as it is for plants. Plants prepare their own food by the process of photosynthesis but animals cannot prepare their own food, hence they need to depend on plants or other animals for their food. 13
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