Heterokont is a grouping of organisms based on which of the following structural characteristic(s)?

Question

Quizplus · Accepted Answer

Heterokonts are a grouping of organisms that all have or have had pairs of flagella of different shapes and lengths. This is the defining characteristic of the group, distinguishing them from other types of organisms. The other choices - inhabiting the same ecological niche, relying exclusively on photosynthesis, having a bipartite shell called a frustule, and moving with similar locomotive structures - are not necessarily characteristic of all heterokonts.

Heterokont Is a Grouping of Organisms Based on Which of the Following