The following are characteristics of primary algae EXCEPT that A) they are CO₂-fixing producers. B) they all are single-celled organisms. C) they have a cell wall made up of glycoprotein or cellulose. D) chloroplasts are the result of a single endosymbiotic event. E) they include the major clades Chlorophyta and Rhodophyta.

Question

Quizplus · Accepted Answer

Not all primary algae are single-celled organisms. Some are multicellular, such as the seaweed in the Rhodophyta clade.

The Following Are Characteristics of Primary Algae EXCEPT That