OBJECTIVES

When you have completed this web resource you should:

• Understand the nature and causes of tides.
• Be able to solve problems relating to the tides.
• Understand the concept of zonation as it relates to the intertidal zone.
• Know how tides affect the physical conditions experienced by plants and animals at different levels (zones) on rocky shores.
• Be aware of the names applied to the different levels on the seashore.