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Probably the green algae, which descended from cyanobacteria. Seaweeds come in three colours, green, brown and red, and each has different photosynthetic mechanisms - not only chlorophyll.

The intertidal zone may have played an important part in the colonization of the land from aquatic plants.

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12y ago
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8y ago

I believe its Green Algae but you'll have to check on that I'm sorry I .

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13y ago

Charales is the name of the order of green algae that is believed to have preceded land-based plants. It is a freshwater organism.

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12y ago

The photosynthetic protists. Such as Rhodophyta and Chlorophyta.

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12y ago

green algae.

Charophytes

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11y ago

Plants and Fungi

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11y ago

Filamentous branched algae

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11y ago

green algae

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12y ago

Lichen

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Q: What are the oldest ancestors of plants?
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Related questions

What is the primitive ancestors?

they are the oldest ancestors


What are the ancestors of a plant?

other plants


What accounts for the similarity between seaweeds and plants?

Plants are the ancestors of seaweeds. Convergent evolution caused their similarity. Both evolved from brown algae. Seaweeds are the ancestors of plants. Seaweeds are aquatic plants.


What Is One Of The Oldest Flowering Plants?

Ginko is one of the oldest seed plants. Some think that Amborella Trichopoda was the oldest flowering plant.


What is the oldest form of technology?

the use of stones and sticks as tools by the ancestors of humans


Do plants ancestors grow very tall belong in nonvacular plants?

Yes


How do biologists learn which plants were the ancestors of today's plants?

By tracing evolutionary sequences


What is the most likely ancestors of green plants?

mosses


Where were the oldest tools found?

The oldest tools are those made out of flint and stone by our ancient, hunter gatherer ancestors. They are found at sites all over the world but the oldest of all are found in Africa.


Where did the oldest possible ancestors of Tareen pathan tribe come from?

They came from Mongolia They came from Mongolia


Was man created before the plants or after the plants?

There's no doubt about it - man came after plants . Plants are our earliest known ancestors . They have all that we have - except mobility .


How can plants be inherited?

You could inherit them from your parents or grandparents on their deaths. They may be potted plants in the ancestors' homes or in their gardens.