marine environment

Question 1

supralittoral zone

Answer 1

The supralittoral is above the high-tide mark and is usually not under water. (splash zone)

Question 2

eulittoral (intertidal) zone

Answer 2

The region of the shore between the highest and lowest extent of the tides

Question 3

sublittoral (infralittoral ) zone

Answer 3

The sublittoral is the environment beyond the low-tide mark and is often used to refer to substrata of the continental shelf, which reaches depths of between 150 and 300 metres.

Question 4

phytoplankton

Answer 4

Single–celled and filamentous algal protists and cyanobacteria suspended in the water column.

Question 5

zooplankton

Answer 5

Zooplankton are the animal (or heterotrophic) component of the planktonic community

Question 6

mangrove

Answer 6

Small tree growing rooted in mud subjected to tidal inundation, with a leaf canopy in the air above.

Question 7

countercurrent

Answer 7

Flow of two fluids in opposite directions along two closely-opposed vessels, allowing the transfer of heat, solutes, gases, etc from one fluid to the other.