Red Algae + Intro to Non Vascular Plants

What is the main pigment found in Phylum Rhodophyta?

Phycocerythrin (red pigment)

What are the main habitats for red algae in Phylum Rhodophyta?

Marine and Freshwater

What is Floridian Starch?

A carbohydrate storage form similar to laminarin in brown algae.

What is Carrageenin used for in red algae?

It serves as a protective outer layer and thickening agent, similar to algin in brown algae.

What common food product is made from Nori?

Sushi, made into thin glossy white sheets.

Describe the unique life cycle of Phylum Rhodophyta.

It involves three generations: 1 Gametophyte and 2 Sporophytes (Tetro-spore and Carpospore).

What are the three groups of Non-Vascular Plants?

Liverworts (Hepatophyta), Hornworts (Anthocerophyta), and Mosses (Bryophyta).

What do all plants have that distinguishes them from algae?

A life cycle that includes alternation of generations.

What type of spores do plants have for protection?

Sporopollenin-walled spores.

What is an Embryophyte?

A multicellular embryo that is protected by tissue.

What is the function of Apical Meristems in plants?

They are responsible for primary growth at root and shoot tips.

During which period did plants first invade Earth?

The Silurian Period (440 - 410 mya).

What major plant development occurred during the Carboniferous Period?

The presence of Seedless Tracheophyte forests and the origin of Seeded Tracheophytes.

What significant plant group emerged during the Cretaceous Period?

Angiosperms.

What trend in plant evolution involves a change from Haploid to Diploid dominance?

The evolutionary trend where diploid forms become more dominant in the life cycle.

What does the trend from Homospory to Heterospory refer to?

The evolution of different types of spores in plants.

What is a key characteristic of gametes in the trend from Motile Gametes to Nonmotile?

Gametes become nonmotile

What is one evolutionary trend in plants regarding seeds?

The transition from seedless plants to seeded plants.