Interestingly, although they are all referred to as algae, the red, green and brown algae are classified into three different kingdoms: the protists, chromists and Plantae, respectively. The algae all have cell wall structures and are capable of photosynthesis like our plants on land.nterestingly, although they are all referred to as algae, the red, green and brown algae are classified into three different kingdoms: the protists, chromists and Plantae, respectively. The algae all have cell wall structures and are capable of photosynthesis like our plants on land.
You put documents in a folder for storage; a letter would go in an envelope.
A documents folder refers to a file that contains an assortment of  documents. If referring to a documents folder on the computer, it  is usually located in your personal foâ¦lder which is located in the  users folder of your primary hard drive.