62. STRAMENOPILES

Question 1

1. What the 4 subgroups of Stramenopiles?

Answer 1

1. Diatoms & Dinoflagellates
2. Golden Algae
3. Brown Algae
4. Oomycetes

Question 2

2. What are Dinoflagellates?

Answer 2

• they have 2 flagella
• these belong to the Alveolates
• they are major components of Phytoplankton

Question 3

3. What are Diatoms?

Answer 3

• they are Photosynthetic Protists
• they belong to Stramenopiles
• they are major components of Phytoplankton

Question 4

4. Does this diagram make sense?

Answer 4

• yes

Question 5

5. What does this image show?

Answer 5

• Golden Algae
• this is unicellular
• it comes from a multicellular colony
• they play a photosynthetic role in the environment

Question 6

6. What does this image show?

Answer 6

• Brown Algae
• this is a type of seaweed
• this is a kind of multicellular algae
• they play a photosynthetic role in the environment

Question 7

7. What are Oomycetes?

Answer 7

• these are water molds
• and their relatives
• they are responsible for many famines
• they are plant pathogens that indirectly affect humans

Question 8

8. What were Oomycetes initially considered to be?

Answer 8

• they were considered to be fungi
• based on Morphological studies

Question 9

9. What are Oomycetes phylogenetically categorised under?

Answer 9

• Protists

Question 10

10. What are two examples of Oomycetes?

Answer 10

1. Phytophthora Infestans
2. Phytophthora Ramorum

Question 11

11. What does Phytophthora Infestans cause?

Answer 11

• it causes potato blight

Question 12

12. What does Phytophthora Ramorum cause?

Answer 12

• it causes Oak Death