Select the correct answer from each drop-down menu. Enzymes are part of the
digestion process. Their function is to break down
. Amylase is a digestive enzyme secreted
and is responsible for breaking down
.

Which statement describes characteristics of planarians? a they live in oceans, are parasites, and reproduce only sexually. b they live in fresh water, are parasites, and reproduce only asexually. c they live in oceans, are free living, and reproduce sexually and asexually. d they live in fresh water, are free living, and reproduce sexually and asexually.