11. DDT is a pesticide that can't be broken down by organisms. If a farmer sprays DDT on the strawberry plants above, which trophic level will contain the highest
concentration of DDT?
a. Producers
b. Herbivores
c. Second-order Consumers
d. Third-order consumers

Answer quickly plz

Which experiment would most likely contain experimental bias ?

The many stone tools, fragmentary animal bones, and teeth found at gran dolina, spain, indicate that hominids there? a. processed and consumed animals and other hominids. b. did not differ appreciably from earlier asian homo erectus. c. were similar to later homo sapiens. d. none of the above

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 !