I. all the energy contained within the organisms in the web comes from the sun. ii. the energy from the caterpillar is transferred to the plant. iii. the hawk is the top predator. iv. energy is transferred from organism to organism in this food web. v. the bunny is the organism that harnesses the energy from the sun. a) i only b) iii and iv only c) i, iii, and iv only d) i, ii, iii, iv, and v only

Scientists are conducting a study on the effectiveness of a new drug on memory loss. they are giving some of the test subjects the new drug to find out if it improves their long-term memory. which are possible limitations of this study? check all that apply. a) test subjects may want to participate in additional experiments. b) test subjects may think they should be paid more. c) test subjects may get bored and want to quit early. d) test subjects may have to travel during the experiment. e) test subjects may have full-time jobs. this is multiple choice. you for the !

Karen is a forensic scientist whose purpose is to identify and evaluate physical evidence. which of the following tasks does she perform? a. reporting results of scientific analysis b. interviewing suspects c. questioning witnesses d. preparing victims for burial

Examine the following diagram. place the labeled layers in order from youngest to oldest.