Consider the following statements regarding evolution and choose the correct answer:
1. The different divisions of algae have evolved from bacterial ancestors, probably from the members of autotrophic bacteria
2. The blue-green algae are the earliest plants known from the fossil record
3. The bryophytes have become differentiated into liverworts, hornworts and mosses which have further developed progressive types of plants
4. The earliest and primitive tracheophytes have succeeded in colonising the land