Biodiversity- (8) Algae

Question 1

Why is algae a protist

Answer 1

they are both photosynthetic

Question 2

Explain brown algae

Answer 2

Largest/ most complex of the 3, creates variety of marine environments, holdfast, stipe, blade.

Question 3

Explain red algae

Answer 3

First multicellular organism on earth, contains chlorophyll and phycoerythrin, which allows red algae to survive in deep depths

Question 4

what’s phycoerythrin

Answer 4

sensitive to light waves @ depths of 100 m +

Question 5

Explain green algae

Answer 5

very structurally diverse, they are most similar to plants.

Question 6

Why are green algae most similar to plants?

Answer 6

they contain chlorophyll, cell walls w cellulose, stores food as starch. Evolutionary link between plants and algae

Question 7

Explain the evolution of algae

Answer 7

Plants had to develop the ability to survive outside of water. They needed protection from drying out (system to transport water). Leaves access sunlight (System to support body of plant). Plants develop embryos in their reproductive cycle.