Laminaria

Definition

Laminaria is a genus of brown algae commonly known as kelp. It is found in cold, nutrient-rich ocean waters and plays a significant role in marine ecosystems.

5 Must Know Facts For Your Next Test

1. Laminaria belongs to the class Phaeophyceae within the phylum Ochrophyta.
2. It contains chlorophyll a, chlorophyll c, and fucoxanthin, which gives it its brown color.
3. Laminaria has a complex life cycle that includes both haploid and diploid stages.
4. It serves as an important habitat and food source for various marine organisms.
5. Extracts from Laminaria are used in biotechnology and medicine for their alginate content.

Review Questions

• What class and phylum does Laminaria belong to?
• What pigments are responsible for the coloration of Laminaria?
• How does Laminaria contribute to marine ecosystems?

Related terms

Alginates: Polysaccharides derived from brown algae like Laminaria, used in various industries.

Phaeophyceae:

A class of brown algae to which Laminaria belongs.

Fucoxanthin:

A pigment found in brown algae that contributes to their brown color.