Use what you know about fossils to choose the correct answers from the drop-down menus to complete each statement. If the same organism appears on two different continents, this is evidence of
.

Fossils show how organisms change, or
, over time.

Fossils provide a record of animals that are
, or no longer living.

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.

How are viruses different from eukaryotic cells?

Which nutrients contain nitrogen in addition to carbon hydrogen, and oxygen? a) vitamins. b) proteins. c) carbohydrates. d) fat