Lab 4 Flashcards
What kingdom is archaeplastida?
Protista
What kingdom is unikonta?
Protista
What are the photoautrophic lineage of supergroup archaeplastida?
-red algae
-green algae
-land plants
-claucophytes (minor lineage)
What does archaeplastida lack?
Centrioles
What form is food stored in in archaeplastida?
Starch
What are the non-photosynthetic lineages of archaeplastida?
-rhodelphidia- a pedatorial flagellate
-rhodophyta-eukaryotic cells without flagella and centrioles
What do archaeplastida have?
Mitochondria with flat cristae
What is green algae named after?
Grass-green chloroplasts
What are the subgroups of green algae?
-Charophytes
-chlorophytes (more than 7,000 species)
Where do most green algae live?
Most live in fresh water, but some live in marine habitats and a few are terrestrial
What are simple chlorophytes?
Unicellular organisms (chlamydomonas)
How do unicellular chlorophytes live?
-Live as plankton or inhabit damp soil
-others specialized to live on snow
What are volvox?
One celled algae that live together in a colony
What are Spirogyra?
Filamentous green alga which are common in freshwater
What color is the appearance of spirogyra?
-very fine bright dark-green filaments
What does red algae owe their red color to?
Accessory pigment phycoerythrin
Where do red algae live?
Most live in warm coastal waters of tropical oceans
What are examples of red algae?
-porphyra
-corraline
Are red algae multicellular?
Yes
What parts of water do red algae inhabit?
Inhabit deeper waters
What does unikonta mean?
Laying and Greek To move
What are the 2 Clades of supergroup unikonta?
-amoeboza
-opisthokonta
What does clade amoebozoa include?
-slime molds
-gymnamoebas
-entamoebas
What does clade opisthokonta include?
-nucleariids
-fungi
-choanoflagellates
-animals
What does entamoebas include?
Include free living and parasitic species
How many species of entamoebas do humans host?
At least 6
What does E. Histolytica cause?
Amebic dysentery
How many people does amebic dysentery kill each year?
100,000 and is the third leading cause of death due to eukaryotic parasites
What are stemonitis commonly known as?
Plasmodial slime mold
What kind of cells are stemonitis?
Unicellular, colonial and multicellular at different stages of their life cycle
What does stemonitis contain?
Contains thin streams of naked diploid protoplasm (lacking a cell wall) called a plasmodium
What supergroup is stemonitis apart of?
Unikonta
What supergroup is dictydium apart of ?
Supergroup SAR
What is dictydium commonly known as?
Cellular slime mold
What are myxamoebas?
Free living amoeba like cells of dictydium
How do myxamoebas respond to starvation?
Aggregate into a pseudo-plasmodium (slug) and migrate to a new place
What supergroup is green algae apart of ?
Archeaplastida
What supergroup is volvox apart of?
Archeaplastida
What supergroup is spirogyra apart of?
Archaeplastida
What supergroup is red algae apart of?
Archaeplastida
What supergroup is gymnameoba apart of?
Unikonta
What supergroup is entamoebas apart of?
Unikonta
