lecture 10

Question 1

what are the 4 supergroups of the eukarya

Answer 1

1. excavata
2. SAR
3. archaeplastida
4. unikonta

Question 2

true or false: most protists are unicellular

Answer 2

true

Question 3

what is endosymbiosis?

Answer 3

the process in which a unicellular organism engulfs another cell

Question 4

the plastid bearing lineage of protists evolved into:

Answer 4

red and green algae

Question 5

euglenids are mixotrophic, what does this mean?

Answer 5

they are autotrophic when light is available, but can also be heterotrophic in feeding when there is no access to light

Question 6

diatoms, golden algae and brown algae are members of which clade?

Answer 6

stramenopiles

Question 7

a unicellular algae that contains a wall of silicon dioxide, is found in a lake. what is this algae called?

Answer 7

diatoms

Question 8

kelps and giant seaweed are examples of:

Answer 8

brown algae, the stramenopiles

Question 9

the dinoflagellates, apicomplexans, and ciliates are part of what clade?

Answer 9

the alveolates

Question 10

of the SAR clade, an organism has 2 flagella, has toxins that causes massive kills of fish, and can be phototrophic or heterotrophic is called:

Answer 10

dinoflagellate

Question 11

malaria is caused by a parasite from what group in the SAR clade?

Answer 11

apicomplexans

Question 12

many species of amoeba belong to what clade?

Answer 12

rhizarians

Question 13

what is distinctive of rhizarian amoebas

Answer 13

threadlike pseudopodia

Question 14

the unikonts consist of what 2 clades?

Answer 14

amoebozoans and opisthokonts

Question 15

slime molds belong to what supergroup?

Answer 15

unikonts

Question 16

iclicker: unikonta is a supergroup that includes all of the following except_____.
a.fungi
b.protists
c. animals
d. plants

Answer 16

plants