animal predation
Yes, the first land plants appeared during the Paleozoic Era, specifically in the Silurian Period around 420 million years ago. These early land plants laid the foundation for terrestrial ecosystems and played a crucial role in shaping Earth's environment.
Cambrian period
The adaptation of pollen and seeds allowed gymnosperm plants to colonize and dominate the land. Pollen increased the efficiency of fertilization by allowing plants to reproduce without the need for water, enabling them to thrive in terrestrial environments. Seeds provided protection and nutrients for the developing embryo, ensuring better survival on land.
Since all known land plants have a vascular system, it is likely that the first land plant also had a vascular system. Researchers believe that there were two types of plants that may have been the first land plants. These are called rhynia and zosterophyllum.
The first land-inhabiting plants were likely mosses and liverworts. These early plants played a key role in the colonization of land by providing a foundation for other plant species to follow. Over time, more complex plants, such as ferns and gymnosperms, evolved.
No it was not a challenge to absorb enough CO2.
bryophytes
Yes they are
plants so the animals can have oxygen
Yes, the first land plants appeared during the Paleozoic Era, specifically in the Silurian Period around 420 million years ago. These early land plants laid the foundation for terrestrial ecosystems and played a crucial role in shaping Earth's environment.
One of the first land plants to evolve was likely green algae, which transitioned from aquatic environments to terrestrial habitats around 450 million years ago. These plants laid the foundation for the development of more complex land plants such as mosses and ferns.
a long time ago
Algae are one of the oldest lineages, from before plants went onto land. Bryophytes are of the first lineage to live on land.
Nonvascular plants
Cambrian period
The adaptation of pollen and seeds allowed gymnosperm plants to colonize and dominate the land. Pollen increased the efficiency of fertilization by allowing plants to reproduce without the need for water, enabling them to thrive in terrestrial environments. Seeds provided protection and nutrients for the developing embryo, ensuring better survival on land.
Cooksonia was the most successful land conqueror and was the first of an entirely new kind of plants that was no longer an alga or bryophyte.