Question

Which of the following is an example of dessecation?

seaweed floating on the surface of the ocean
a fish swimming out to deeper water during low tide
a sand dollar drying out during low tide
a crab being washed out to sea during high tide

Answer 1

Do you mean desiccation? If so, then a sand dollar drying out during low tide would be your answer. Desiccation refers to extreme dryness, or the process of drying out.