A scientist is doing an experiment to identify different molecules. Some components of these molecules are listed in this table. Which of the four
molecules is the DNA, based on the table above? *

Which type of organism is missing from the food web seen in the illustration? primary consumers decomposers primary producers secondary consumers

Apaleontologist finds a plant fossil that shows that the plant had seeds. what can the paleontologist conclude?

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