Question

Which division among plants has the simplest organisms?

NCERT Class IX
Sciences - Main Course Book

Chapter 7. Diversity in Living Organisms

Answer 1

Thallophyta is the lowest group of plants. This group has the simplest organisms.

Answer 2

The simplest form of organisms belong to the division Thallophytes.

Explanation:

Thallophytes contain organisms that are algae, fungi, and lichens. Their body is undifferentiated and do not have true roots or vascular system for the transport of water and mineral salts. They are usually found in wet places and are mostly autotrophic in nature.

The thallophytes are divided into 2 major subdivisions, they are myxothallophyta that contains myxomycetes and euthallophyta that consists of bacteria, fungi, lichens, and algae.