Bdelloid rotifers are microscopic freshwater invertebrates. No one has ever seen a male. Thus, researchers hypothesized that these species reproduce solely by asexual means. What evidence supports this hypothesis?

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

What is a food web? a. the structure used to trap food b. a set of complex carbohydrates c. a group of interconnected food chains d. the pattern of food nutrition

Put the processes of the water cycle in the correct order starting at the point where the water is in a lake