A simplified list of characteristics of "algae" includes the following Green Algae- mostly freshwater,cell wall,chlorophylls a and b
Euglenoids- mostly freshwater,no cell wall,chlorophylls a and b
Brown Algae- mostly marine,cell wall,chlorophylls a and c
Diatoms- marine and freshwater,cell wall,chlorophylls a and c
Dinoflagellates- mostly marine,cell wall,chlorophylls a and c
Red Algae- mostly marine,chlorophylls a and phycobilin
From examination of this restricted set of data,and referring back to discussions of systematics and taxonomy,it is most likely that the most primitive algae
A) were marine.
B) were freshwater.
C) contained cell walls.
D) contained chlorophyll a.
E) contained chlorophyll c.

Question

Quizplus · Accepted Answer

Examining the list of characteristics that are given above, the one characteristic that is seen in all of the algae is the presence of chlorophyll a. Given its presence in a number of diverse algae it is likely that it was found in more primitive forms of algae.

A Simplified List of Characteristics of "Algae" Includes the Following