Archaeplastids

Characteristics of Archaeplastids

have plastids, single celled, colonial, and can be multicellular

Green Algae

contains chlorophyll
usually single-celled
divided into Chloroplasts and Charophytes

Where are land plants thought to be derived from?

Charophytes

Volvox

-colonial green algae
-hollow sphere with thousands of cells
-move with flagella
- reproduces into daughter cells

Spirogyra

- green masses on the surface of ponds and streams
-spiraled chloroplasts
- sexually reproduces through conjugation

How does a volvox get nutrients and food

Autotrophic and heterotrophic

How does the spirogyra eat?

Autotrophically

Red Algae

-red and blue pigments allowing photosynthesis
-multicellular

What is the economic importance of Red Algae?

Agar- capsules for medicines
Carrageenan- chocolate and cosmetics
Porphya blades to make sushi rolls