Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Animal Diversity
Nematodes are commonly known as roundworms. They are free-living, very tiny organisms. They have an elongated and tubular body. These organisms have a nervous system and are mostly act as parasites to both animals and plants.
Platyhelminthes
Platyhelminthes are also known as "flatworms" because as they are dorsoventrally flattened from head to tail. They are invertebrate, soft-bodied, acoelomate, unsegmented and have bilateral symmetry.
Question
Transcribed Image Text:### Exploring *C. elegans* as a Model Organism in Biological Research
#### Inquiry:
2. What characteristics of *C. elegans* make this species a useful tool for biological studies?
#### Explanation:
*C. elegans*, or Caenorhabditis elegans, is a small nematode that has become a model organism in biological research due to several key features:
1. **Simple Anatomy**: *C. elegans* has a simple body plan, which makes it easier to study cellular development and organ functions.
2. **Transparent Body**: The transparency of these worms allows researchers to observe internal processes in vivo using microscopy.
3. **Short Life Cycle**: With a rapid life cycle of about 3 days at room temperature, *C. elegans* allows for quick observation of multiple generations.
4. **Genetic Tractability**: The genome is fully sequenced and easily manipulated, facilitating genetic studies and the identification of gene function.
5. **Conserved Biological Pathways**: Despite its simplicity, *C. elegans* shares many essential biological pathways with more complex organisms, including humans, making it relevant for studying human diseases.
6. **Ease of Culture**: They are easy to maintain in a laboratory, requiring minimal space and resources.
Understanding the fundamental biological processes in *C. elegans* provides insights into more complex organisms, including humans, making it a vital tool in various fields of biological research.
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