conduct online research on any one aquatic region like a river, ocean, or lake. discuss it's environmental conditions, such as salinity, water depth, water flow conditions, light conditions, and dissolved oxygen conditions

Up until 1938, paleontologists accepted the idea that coelacanths (an ancient fish) went extinct at the time that they last appear in the fossil record, about 80 million years ago. but in 1938, a live coelacanth was discovered off the coast of south africa that was compared to the fossil record and found to be the same species what goal of science does this discovery represent

Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these

According to theories of how life began, how did early organic molecules begin to separate from the outside world? a: specialized enzymes were required b: chains of amino acids created a barrier c: formation of microspheres or vesicles d: rna catalyzed the formation of membranes