Algae is eaten by small fish. The small fish is eaten by a larger fish. The large fish is eaten by a shark. What trophic level is the shark?​

Which of the following are the functions of the integumentary system? yadda-yadda, the 1st answer is the brainliest. : )

What controls activities within a eukaryotic cell?

Ascientist is investigating the effects of salinity on fish development. he places fertilized fish eggs in an aquarium that contains low salinity and observes their development. what factor would improve experimental design the most? place the fish eggs in the open ocean because that is the natural habitat include another aquarium that has normal salinity to compare to the low salinity aquarium include an aquarium that replaces salt with sugar to confirm that the effects are specific to salt grow algae with the fish eggs in order to provide adequate nutrients to the developing embryos