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To study and compare the density of cthamalus montagui (shield shaped barnacles) on an exposed and sheltered shore.
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| Submitted: Fri Sep 05 2003
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Sarah Tayler A2 BIOLOGY COURSEWORK ON ECOLOGY. Aim: To study and compare the density of cthamalus montagui (shield shaped barnacles) on an exposed and sheltered shore. Introduction and information of specimen studied: The 'cthamalus montagui', more commonly known as the 'Shield Barnacles' are crustaceans that have jointed legs and shells of connected overlapping plates. Their size varies from 0.1cm to 1cm wide. Instead of crawling after food, they glue themselves to rocks on shores and wait for food to wash by during high tide. When they are under water or when a wave washes over them, they reach out little feathery barbed legs to strain out plankton and absorb oxygen. The barnacle's predators are worms, snails, sea stars, fish, and certain Barnacles on a rocky shore. Plan: = Firstly, the experiment will be divided into two areas : The exposed shore and the sheltered shore. * I will the count the number of...
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