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Questions and Answers
What is the correct sequence of the steps of nutrition in animals?
What is the correct sequence of the steps of nutrition in animals?
Which type of nutrition do almost all animals exhibit?
Which type of nutrition do almost all animals exhibit?
What is the primary function of assimilation in the nutrition process?
What is the primary function of assimilation in the nutrition process?
Which of the following processes involves the removal of undigested food from the body?
Which of the following processes involves the removal of undigested food from the body?
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What distinguishes herbivores from carnivores and omnivores?
What distinguishes herbivores from carnivores and omnivores?
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Study Notes
Nutrition in Animals
- Animals are heterotrophs, meaning they depend on other organisms for food.
- Animals have holozoic nutrition, a process with five steps:
- Ingestion: Taking food into the body. This varies among animals (e.g., chewing, sucking, siphoning).
- Digestion: Breaking down complex food into simpler forms.
- Absorption: Taking up the absorbed nutrients.
- Assimilation: Using absorbed nutrients to build body tissues.
- Egestion: Removing undigested materials.
- Some animals, like protozoans (Euglena and Volvox), have retained autotrophic nutrition (making their own food).
- Herbivores eat only plants, carnivores eat only animals, and omnivores eat both plants and animals.
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Description
Explore the various processes of nutrition in animals, focusing on the steps involved in holozoic nutrition. Understand how different types of animals, including herbivores, carnivores, and omnivores, acquire and utilize food. This quiz will test your knowledge of ingestion, digestion, absorption, assimilation, and egestion.
