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- PREDICT What would happen to the organisms in a river with a fast current if a dam were built? Would there be any differences in habitat if the dam were upstream or downstream of the organisms in question? Explain your answers.A salmon feeds on crabs and small fishes, which in turn feed on zooplankton that feed on phytoplankton which in turn uses up nitrates in the water. If there are overfishing of salmons, which things should decrease? a. zooplanktonb. small fishc. phytoplanktond. a and de. b and cFill in the table using the Antarctic food web. Some animals may go in more than one column.
- from the food web, constructt two food chains with at least four organsms in each.Question: _____ are primary producers that use inorganic molecules for their energy source. A. Litotrophs B. Heterotrophs C. Consumers D. Apex PredatorsMarine Biology a) Despite being so large, the ocean contributes to (more or less) primary production because it is__________, which means it doesn't have very many nutrients. Even so, _______________can survive her and absorb the few nutrients because they are____________. Small things have more_____________ b) cyanobacteria were the first to produce oxygen and form stromatolites made of ______________
- In the Orca/sea otter/sea urchin/kelp system mentioned in another question, which species would be most affected by a spill of mercury or other fat soluble toxin into the ecosystem? Group of answer choices a. sea urchin b. kelp c. orca d. sea otter*Marine biology question* Fully explain what is being conveyed by the following illustration of activities in the Giant Kelp community of the continental shelf.Which type of organism does NOT photosynthesize? a. Heterotrophs b. Producers c. Cyanobacteria d. Algae e. Autotrophs
- Please answer Trout only live in very cold mountain lakes and streams. How much oxygen is in that water compared to the tropics?Feeding mechanism and reproductive strategies evolve first because? A) It functions for the primary needs of organism here on earth B) It ensures survival and signs of adaptation C) Both A and B D) all statements are contradictingSubject: Environmental Science Design a food web for the human. (it should be more than 10 species)
