Problem 8
How do some deep-water bacteria in the ocean make food? A) photosynthesis C) respiration B) chemosynthesis D) rifting
Problem 8
Define the words producer and consumer. Give two examples of each that can be found in the ocean.
Problem 9
Compare and contrast rocky shore and beach habitats.
Problem 10
What might be found in areas where rivers enter oceans? A) rift valleys B) manganese nodules C) abyssal plains D) placer deposits
Problem 11
Which organisms reproduce rapidly, resulting eventually in a lack of oxygen? A) fish C) algae B) corals D) animal plankton
Problem 11
Problem 12
Ten percent of the total available energy is stored by a consumer at each level of the food chain. If 2,533 energy units are passed on to a salmon feeding on zooplankton, how many energy units will the salmon store?
Problem 12
In which area of the ocean is the greatest source of food found? A) on abyssal plains B) in trenches C) along continental shelves D) along the mid-ocean ridge
Problem 13
Where does most oil pollution originate? A) tanker collisions B) runoff from land C) leaks at offshore wells D) in wastewater pumped from ships
Problem 13
Why are estuaries referred to as nurseries? What other marine habitat could also be referred to this way? Why?