Page 10 - Guide to the Oceans
P. 10
o[ tube feet, which act as suckers.
shells, periwinkles are rolled by the
seaweeds cannot grow well and so,
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waves into crevices, while starfish
llmpcls can ding on so tightly that
grip on to rocks using thousands
ROCKY SHORES
instead. the rocks are covered with
it is almost impossible to dislodge
On rough. wave-exposed shores.
barnacles, limpets, and mussels.
them. Protected by their tough
P ERIW
delicate lish. anemones, and other soft animals can survive at
Rock pools are like miniature oases on the seashore. where
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LITTLE SUCKERS
-
pam:rm of •tml, marks·
m1J ltar/119 bt,mti/ 111
ROCK POOLS
"" 1 '1t ,.,,ks (abo\·t ).
glidt 11r.:,und.
gra:illg 011 ,1fg,u
(P.ttclla Jpi'Cits)
/11, d1l1 1/mptl
Will, ll1t tldt
"m
_ •-.c:.i low tide. However, living in a rock pool can be quite di!ficult. - - Small pools heat up and get very salty as the water evaporates on hot summer days. They also get diluted by rainwaters, which makes the water too fresh for many marine animals. and in winter small pools can freeze over. Pools high up on lhe shore pose the most di[[icult
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SHORES on a rocky shore: it A unrnver. a hidden seascape of rtllks. chlls. 1rnol) regions. such as Great Britain and North lie strewn in tangled heaps as the water drains away. Snails and crabs creep into damp crevil'es. ,hon· tlq1 cnd.., on \\hl·rl· in till' \\·mid lhl' , Jw n· 1 , . ~t',l\\'l't'th \H'II Oil 1h1, , hon· on B.ud,t·r hl,rnd. ]fl ~onh W.1k, 111 !Ill' p1t
l, Vlll[ TO THE OCEANS ROCI<Y ~ t;oEs um,·:- s Tiff Tm_ gulk-ys. and pools. Rocky shores in temperate Amnita: are hmm· to hundreds of dillerent n•·atures. Masses of slippery brown seaweeds Barnacles. mmsels, and limpets stop leeding and tightly dose up their shells to keep the lik-giving st·awater inside. TIDAL TERRAIN l-\Jllh \\ h.11 ,on, 111 plJnh and .mimal, lin· 0
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