Green algae, and their structural features and reproduction, habitat, representatives, meaning.

Green algae are a group of lower plants, along with fungi and bacteria. Representatives are planktonic algae, multicellular phytobenthos, chlamydomonas. They live in fresh and salt water bodies, damp places, on the bark of trees, often in symbiosis with lichens.

The structural features are in the presence of cupped plastid cells, which contain pigments in their composition:

• chlorophyll (green);
• lutein (yellow);
• xanthophyll (red and orange colors).

Chloroplast has a pyrenoid with compartments (thylakoids). Plastids have double membranes. Green algae cells have flagella.

Life cycles: haplobiont, diplobiont, hapolo-diplobiont.

Reproduction is sexual and asexual. Meaning – they are a link in the food chain, the supply of oxygen to water, act as a biological filter for water.