Protist Supergroups

Question 1

Why do biologists study protists?

Answer 1

They are intrinsically interesting, with a wide diversity of
lifestyles.
They are important medically and ecologically.
They are critical to understanding the evolution of plants, fungi,
and animals

Question 2

What types of protists can cause human disease?

Answer 2

• Milaria
• Trichomonas
• Giardia
• Cryptosporidium

Question 3

What are Protists?

Answer 3

• Protists are a diverse group of organisms
which includes all eukaryotes except for land
plants, fungi, and animals.

Question 4

The common feature among protists.

Answer 4

Most live in aquatic environments surrounded by water.

Most are unicellular.

Question 5

Protists vary widely in terms of how they reproduce.

Answer 5

Sexual reproduction evolved in protists.

many protists can reproduce both sexually and asexually

Question 6

Protists vary widely in terms of how they find food.

Answer 6

Many species are photosynthetic.
others obtain carbon compounds by ingesting food.
Some are parasitizing on other organisms.

Question 7

What are the five protist supergroups?

Answer 7

• Excavata
• Chromalveolata
• Rhizaria
• Archaeplastida
• Unikonta

Question 8

In Symbiotic Benefits, coral receives what?

Answer 8

O2
Nutrients
Gets rid of CO2
Gets rid of Metabolic Waste Products
Reef calcification (CaCO3
) enhanced

Question 9

In Symbiotic Benefits, zooxanthellae receives what?

Answer 9

CO2
Nitrogen and Phosphorus
Shelter (place to grow)
Protection from predation
Protection from UV
Proper Light intensity regulated