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What are the common features of vertebrates and the main features and examples of fish, amphibians, and reptiles?
Biology
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Step-by-step solution
4 stepsVertebrates are animals which have a vertebral column.
Features of vertebrates
- An internal skeleton (endoskeleton) made of bone or cartilage.
- A closed circulatory system consisting of blood vessels.
- A well-developed nervous system.
- Kidneys (excretory organs).
Vertebrates are divided into five main classes
fish, amphibians, reptiles, birds, and mammals.
Table 2 - Classes of vertebrates (fish, amphibians, reptiles)
\begin{array}{|l|p{6cm}|l|} \hline \textbf{Class} & \textbf{Main features} & \textbf{Example} \\ \hline \text{Fish} & \text{Bony fish have smooth, wet skin. Fins are used for balancing and locomotion.} & \text{Fish} \\ \hline \text{Amphibians} & \text{Skin moist or with mucus. Four limbs, first land animals. External fertilization.} & \text{Frog} \\ \hline \text{Reptiles} & \text{Dry skin with scales. Internal fertilization. Four limbs.} & \text{Lizard} \\ \hline \end{array}The table classifies selected vertebrate classes with their key features and examples.
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