Benthic Environment

Question 1

What percent of ocean species live on the seafloor?

Answer 1

98%

Question 2

How many known marine species are there?

Answer 2

250,000 and counting

Question 3

What are the species that live on the surface of the sea floor?

Answer 3

Epifauna

Question 4

What are the two zones of a rocky coastline?

Answer 4

Spray zone and Intertidal zone

Question 5

What are the subzones of the intertidal zone?

Answer 5

High tide zone, middle tide zone, and low tide zone

Question 6

Which intertidal zone is relatively dry and is only covered by the highest tide?

Answer 6

High Tide Zone

Question 7

Which is alternately covered by all high tides and exposed during all low tides?

Answer 7

Middle Tide Zone

Question 8

Which is usually wet but is exposed during the lowest low tides?

Answer 8

Low Tide Zone

Question 9

The spray zone is also known as the what?

Answer 9

Supralittoral Zone

Question 10

What zone hosts few species of algae and many species that have shells to maintain moisture?

Answer 10

Supralittoral (Spray) Zone

Question 11

Rock lice, sea roach, periwinkle snail, limpet, and rock louse are found in which zone?

Answer 11

Supralittoral (Spray) Zone

Question 12

Periwinkles can move between which two tidal zones?

Answer 12

Spray zone and High Tide Zone

Question 13

Rockweed is a type of algae found mostly in which intertidal zone?

Answer 13

High Tide Zone

Question 14

____ are among the first organisms to colonize a rocky shore.

Answer 14

Rockweed

Question 15

Mussels and buckshot barnacles are found in which tidal zone?

Answer 15

High Tide Zone

Question 16

T or F: The total biomass in the middle tidal zone is greater than in the high tidal zone.

Answer 16

True

Question 17

Acorn barnacles, goosed necked barnacles, and mussels exist in which tidal zone?

Answer 17

Middle Tide Zone