Aice marine unit 4 Questions and All Correct Answers.

Aice marine unit 4 Questions and All
Correct Answers.

how do fish make use of calcium? - Answer bones skeletons and fish



how do corals make use of calcium? - Answer Skelton

use calcium carbonate to make shells



bodies of fish-> humans - Answer harvesting, fishing, eating, consuming



sea bed-> nutrients in surface layer of the sea - Answer upwelling



nutrients in surface layer of the sea ->bodies of fish - Answer food chains

consuming

feeding



how does calcium on land become a nutrient in the surface layer of the sea - Answer present
in rocks

dissolve in water

in rivers streams and runoff



describe the process of, bodies of fish-> to sea bed - Answer death of organisms

decomposition

bacteria



biological use of nitrogen - Answer protein/amino acids



biological use of magnesium - Answer chlorophyll



biological use of phosphorus - Answer dna/bone



suggest why an increase in the concentration of carbon dioxide in the atmosphere could result
in an increase in the productivity of consumers in a marine ecosystem - Answer 1. more food

2.no longer a limiting factor