Which of the following statements about Chlorophyceae, Phaeophyceae and Rhodophyceae are correct? (1) Green algae are the members of Chlorophyceae (2) Brown algae are found primarily in marine habitats (3) Some red algae are found in fresh water, but most occur in salt water and some in brackish water (4) In red algae, food is stored as floridean starch