Describing Competition
Research has shown that male fiddler crabs will defend
multiple burrows at one time. They do this to get rid of
other male competitors. These burrows also provide a
place to mate with females and raise their young.
In this scenario, what resource(s) are male fiddler crabs
competing for? Check all that apply.
food
sunlight
water
space or shelter
ability to reproduce

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 !