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Classifying Animals
Animal Classification
| Question | Answer |
|---|---|
| On what do biologists base their classification of organisms? | On the similarities of organisms' features, such as appearance, cell structure, hereditary material, and means of getting food and reproduction. |
| List the seven levels of classification of organisms, from highest to lowest. | Kingdom, phylum, class, order, family, genus, and species. |
| What is a species? | A single type of organism, capable of breeding with other members of its species to produce offspring like themselves. |
| The barn owl belongs to the genus Tyto and species alba. What is the barn owl's scientific name? | Tyto alba. |
| What three features do all vertebrates have? | All vertebrates have an internal skeleton made of bone or cartilage, a backbone, and a skull. |
| How does a trout's skeleton differ from a shark's skeleton? | A trout's skeleton is made of bone whereas a shark's skeleton is made of cartilage. |
| What happens during metamorphosis in a frog? | A tadpole grows legs, loses its gills and tail, and develops into an adult frog. In the process, it changes from a water dweller to an organism that is capable of living on land. |
| Why are reptile's eggs able to survive in dry places? | The eggs have a soft shell that helps keep the young inside from drying out. |
| What two features do mammals have that other vertebrates do not have? | Mammals have mammary glands to feed young and hair to hold in body heat. |
| Name two of the three animals that are classified as birds, but do not fly. | Penguins, ostriches, and emus are classified as birds, but do not fly. |
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