Which correctly lists three water sources that contribute to a river system? groundwater, ponds, streams
lakes, rivers, ponds
rivers, streams, watersheds
streams, lakes, oceans

Indicate whether the following statements about the biases in the fossil record are true or false. a) inland species are more likely to be preserved than marine species b) organisms with hard body parts are more likely to be preserved than are those composed soft tissues. c) species that existed over a larger area are more likely to be preserved than species existing over a smaller area. d) organisms that lived very long ago are more likely to be found as fossils than organisms that lived relatively recently e) the fossils of larger organisms are more likely to be found than the fossils of smaller organisms

Body systems are not completely independent they integrate and work together describe one example of the integration between body systems

Where substance is produced during cellular respiration