Reptile - Adaptation, Diversity, Conservation

reptile

Table of Contents

Introduction
General features
- Importance
- Size range
- Distribution and ecology
  - North temperate zone
  - Central and South America
  - Asia
  - Australia
  - Africa
Natural history
- Life cycle and life history
  - Courtship and fertilization
  - Embryonic development and parental care
- Growth and longevity
Behaviour
- Defense
  - Avoidance and noise
  - Body form and posturing
  - Display of colour
  - Striking and biting
  - Spitting
  - Use of the tail
  - Balling
  - Odours
- Feeding habits
- Locomotion
  - Walking and crawling
  - Clinging and climbing
  - Swimming
  - Flying
Form and function
- External covering
- Internal features
  - Skeletal system
  - Skull and dentition
  - Nervous system
  - Circulatory system
  - Respiratory system
  - Digestive and urogenital systems
- Sense organs
  - Sight
  - Hearing
  - Chemoreception
- Thermal relationships
Evolution and paleontology
- Historical development
- Fossil distribution
Classification
- Distinguishing taxonomic features
- Annotated classification
- Critical appraisal

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In the agriculture industry as a whole, reptiles do not have a great commercial value compared with fowl and hoofed mammals; nonetheless, they have a significant economic value for food and ecological services (such as insect control) at the local level, and they are valued nationally and internationally for food, medicinal products, leather goods, and the pet trade. Reptiles have their greatest economic impact in some temperate and many tropical areas, although this impact is often overlooked because their contribution is entirely local. A monetary value is often not assigned to any vertebrate that provides pest control. Nonetheless, many lizards ...(100 of 17436 words)

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