In each blank, try to type in the
word that is missing. If you've
typed in the correct word, the
blank will turn green.
If your not sure what answer should be entered, press the space bar and the next missing letter will be displayed. When you are all done, you should look back over all your answers and review the ones in red. These ones in red are the ones which you needed help on. Question: On what do biologists base their classification of ?Answer: On the similarities of organisms' features, such as appearance, cell , hereditary material, and means of getting food and reproduction. Question: List the seven levels of classification of , from highest to lowest.Answer: Kingdom, phylum, class, order, family, , and species. Question: What is a ?Answer: A single type of organism, capable of breeding with other members of its species to produce offspring like . Question: The barn owl belongs to the genus Tyto and alba. What is the barn owl's scientific name?Answer: Tyto alba. Question: What three features do all have?Answer: All vertebrates have an internal made of bone or cartilage, a backbone, and a skull. Question: How does a 's skeleton differ from a shark's skeleton?Answer: A trout's skeleton is made of bone whereas a shark's skeleton is made of . Question: What during metamorphosis in a frog?Answer: A tadpole grows legs, loses its gills and tail, and develops into an adult frog. In the , it changes from a water dweller to an organism that is capable of living on land. Question: Why are reptile's eggs able to in dry places?Answer: The eggs have a soft shell that helps keep the young from drying out. Question: What two do mammals have that other vertebrates do not have?Answer: have mammary glands to feed young and hair to hold in body heat. Question: Name two of the animals that are classified as birds, but do not fly.Answer: Penguins, , and emus are classified as birds, but do not fly. |
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