Rocky Shores

Question 1

Upper shore macroalgae

Answer 1

Fucus spiralis

Question 2

Mid-shore macroalgae

Answer 2

Fucus vesiculosus

Question 3

Lower shore macroalgae

Answer 3

Fucus serratus

Question 4

Important grazers for rocky shores - sea urchin

Answer 4

Strongylocentrotus

purpuratus

Question 5

Grazers who cope with emersion by trapping water around their gills and mid-littoral

Answer 5

Patella vulgata

Question 6

Common periwinkle found in mid and lower shore

Answer 6

Littorina littorea.

Question 7

Blue mussel

Answer 7

Mytilus edulis

Question 8

Barnacle - survive heat and desiccation of upper shore but are out-competed on the lower shore by Balanus balanoides

Answer 8

Cthallamus stellatus

Question 9

Barnacle - die from heat and desiccation predation from dog whelks determines their lower limit, out compete other barnacles

Answer 9

Semibalanus balanoides

Question 10

Dog whelks

Answer 10

Nucella lapilus

Question 11

Starfish that predates on mussels, controlling their lower limit on the shore

Answer 11

Pisaster ochracceus

Question 12

Anemone commonly found in rockpools

Answer 12

Actina equina

Question 13

Rock lice - supra-littoral

Answer 13

Ligia italica

Question 14

Poli’s stellate barnacle- Mid-littoral

Answer 14

Chthamalus stellatus

Question 15

Sea anemones - lower littoral

Answer 15

Actinia

Question 16

Sea urchins - sublittoral

Answer 16

Paracentrotus