Complete the following chart (type, character, example: Cyclostomata, gill respiration, Amphibia, whale, poikilotherms).
| Type | Character | Example |
|---|---|---|
| Cyclostomata | ||
| Gill respiration | ||
| Amphibia | ||
| Whale | ||
| Poikilotherms |
| Type | Character | Example |
|---|---|---|
| Cyclostomata | ||
| Gill respiration | ||
| Amphibia | ||
| Whale | ||
| Poikilotherms |
Completed chart:
| Type (class) | Character | Example |
|---|---|---|
| Cyclostomata | Jawless mouth provided with sucker; skin without scales | Petromyzon (lamprey), Myxine |
| Pisces | Gill respiration | Rohu, shark |
| Amphibia | Aquatic respiration in larva; aquatic and aerial respiration in adult; moist skin | Frog, toad |
| Mammalia | Mammary glands present; warm blooded | Whale |
| Reptilia | Poikilotherms (cold blooded); dry scaly skin | Wall lizard, tortoise, snake |
The whale lives in the ocean but is a mammal: it breathes air with lungs, is warm blooded and feeds its young on milk from mammary glands. Fishes and amphibians are also cold blooded, but since Pisces and Amphibia already appear in the chart, the remaining poikilothermic class is Reptilia.
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