Algae

Question 1

What kingdom does algae fall into

Answer 1

Protist NOT PLANT

Question 2

What is multicellular Algae

Answer 2

Seaweed

Question 3

What are the characteristics to algae

Answer 3

Photosynthetic and found in aquatic environments

Question 4

Why is it believed that plants evolved from algae

Answer 4

Because plant and protist kingdoms are 2 of the only with photosynthetic organisms

Question 5

Algae does not have roots, stem and leaves instead…

Answer 5

holdfast, stipe, and blade

Question 6

Brown Algae

Answer 6

Largest and most complex, creates a variety of marine environments
Has holdfast, stipe and blade

Question 7

Red Algae

Answer 7

First multicellular organism on earth.
Contains chlorophyll and additional pigment (phycoerythrin) - is able to survive in deep aquatic environments

Question 8

What is phycoerythrin

Answer 8

pigment that is sensitive to light waves @ depths of 100 m or more - red algae can survive in deep aquatic environments

Question 9

Green Algae

Answer 9

Very structurally diverse and most plant like

Question 10

Why do scientists believe there is an evolutionary link between green algae and plants

Answer 10

Contains chlorophyll, cell walls with cellulose, stores food as starch

Question 11

What are the 3 things algae needed to evolve in terrestrial environments

Answer 11

1. Protection from drying out (system to transport water)
2. Leaves access sunlight (system to support body of plant)
3. Plants have embryos in their reproductive cycle