What happens to the population size or each of the pond organisms when the perch population size is decreased? how many of the species in the food web are affected by a population change in a single species?

Why does miranda have that particular vision of dr hildesheim answer?

The same agricultural practices are used in every country of the world. select the best answer from the choices provided t f

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