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, like the multicellular brown algae (class Phaeophyceae) and red algae (class Rhodophyta), are complex multicellular organisms.

The Following Are Characteristics of Primary Algae EXCEPT That