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Marsh snails also feed on detritus at low tide, but seek shelter from the high tide
up the stem of salt marsh hay which is never fully submerged. These tiny
gastropods extract oxygen from the atmosphere, not the water. The sprawling
roots of the ...
Sea turtles, drawn to dense beds of sea grasses such as turtle grass, find food
and shelter here in the bays and lagoons as well. Perfectly adapted to life in the
ocean, they must nonetheless return to land to lay their eggs on sandy beaches ...
Certain species of seal find shelter there but leave to feed in deeper waters. Gray
whales traveling on their migrations between summer feeding grounds in the
Bering Sea and the breeding and calving grounds in the lagoons of Baja ...
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I purchased all three books in this set and taught a short course to a small group of high school kids. We had a great time with this course! We did 10 experiments and held very intense all-day ... Read full review