A starfish is a arthropod echinoderm arachnid None of the above There are more _

Question

A starfish is a arthropod echinoderm arachnid None of the above There are more ________ on Earth than any other kind of animal. Mollusks arthropods mammals Vertebrates vertebrate an animal that has a backbone a physical feature of a living thing's body the small parts that make up a backbone an exoskeleton These animals are vertebrates only reptiles only amphibians neither Both Which class of animal has skin with fur or hair, feeds their young milk and maintains a constant body temperature? Mammals Birds Fish Reptiles Which class of animal has soft skin without scales, lays eggs in water, lives in the water when young but on land when mature and does not maintain a constant body temperature? Amphibians Reptiles Fish Mammals Myriapods have how many legs? 8 less than 15 More than 15 None of the above

Explanation / Answer

31. B. Starfish is a echinoderm belong to the class Asteroidea

32. B. Arthropods are the most successful animals which have over a million described species, making up more than 80% of all described living animal species.

33. A. vertebrate are the animals that has a backbone and askeleton. Example: humans

34. Both

35. Mammals

36. Amphibians

37. myriapods range from More than 20 legs and having up to 750 legs

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