What does the fishing-down-the-food-web hypothesis predict? The lowest landings have the lowest trophic levels The lowest landings have the highest trophic levels None of the options are correct The highest landings have the lowest trophic levels The highest landings have the highest trophic levels

Please answer fast 3) There are very few native reptile and amphibian species in Maine. What abiotic factor limits their ability to survive there? A) There is not ample water in Maine. B) There is too much competition in Maine. C) The temperature in Maine is too high. D) temperature in Maine is too low. 5) In the Galapagos, the medium ground finch, Geospiza fortis, and large ground finch, Geospiza magnirostris, both live on the island Daphne Major. Scientists have studied these species and recorded detailed information, which includes observations about their diets and beak sizes. After a long period of drought, there were very few seeds available for both species to eat, and many of the finches died. The scientists who studied these birds observed that the average size of G. fortis beaks decreased dramatically during the years after the drought, whereas the average size of G. magnirostris beaks increased. G. fortis became specialized in eating very small seeds, whereas G. magnirostris…

T or f

Choose True for yes or choose false for no for each statement 1) Gray whales may experience a shift in their realised niche True or false 2) Killer whales may no longer prey on gray whales True or false 3) Extirpation of the killer whale will not substantially affect the structure of this foodweb True or false