Differentiate between thallophyta bryophyta and tracheophyta​

The main difference between Thallophyta Bryophyta and Pteridophyta is the organization of each phylum. Thallphyta consists of algae, fungi, lichens, and cyanobacteria. The plant body of Thallophyta is a thallus. ... The plant body of bryophytes is not differentiated into true stem, roots, and leaves.

Explanation:

as resources become scarce because of population growth, the growth decreases after few years due to lack of resources and food.

i think the answer would d