Marine and Coastal Crossword

edge of a landmass
the ridge or crest line separating two drainage areas
area in the ocean where nutrient-rich bottom water surfaces
various algae growing in the sea
contamination of natural habitats as a result of human activities
an internal bone in a fish. often sectioned to show growth rings that can be used to determine age.
the mother-of-pearl from any shelled mollusc
bottom living organisms in size between 0.1 and 1 mm.
connected with the sea or seafaring
the just hatched marine organisms
the photic plant habitat zone below low tide
an almost enclosed part of the sea with an opening to the sea through which the tide enters
the wearing away and lowering of land surfaces by natural occurrences
a biological community of interacting organisms
steady movement go seawater
a hard limestone structure in the ocean
judicious use and management of nature and natural resources
a thick layer of fatty tissue below the skin, acting as insulation against heat loss in aquatic mammals