(13) station 9-15 (Protista cont)

Why do Plasmodial Slime Molds group together and form Plasmodium?

For feeding and reproduction

What are general characteristics of Plasmodial Slime Molds?

• Brightly colored (yellow or orange)

• Have Hyphae that are multinucleated

Where are Plasmodial Slime Molds found?

In soil, lawns, forest floor, decomposing logs

What are general characteristics of Cellular Slime Molds?

• usually clear

• Have hyphae that are mono-nucleated (septate)

Where are Cellular Slime Molds found?

Usually crawl through dung, soil, rotting mushrooms, decaying leaves and other organic materials

Why do Cellular Slime Molds form a plasmodium/ group together?

During stress and reproduction

What are general characteristics of Gymnamoebas?

Have broad pseudopods and usually lack a test

Where do Gymnamoebas live?

Soil, freshwater, and marine environments

How do Gymnamoebas feed?

Detritus(non-living organic materials)

What are general characteristics of Entamoebas?

Includes amoeba species that are parasitic

What species do Entamoebas infect ?

All classes of vertebrate animals along with some invertebrates

How many species of Entamoebas are found in humans?

6 different species

Which Entamoebas is the only one that is pathogenic in humans

Entamoeba histolytica

what are symptoms caused by Entamoebas and how many deaths occur worldwide each year?

100,000 deaths every year amebic dysentery

What are general characteristics of The Clade Opisthokonts?

Flagellate cells, such as most animals perm and chytrid spores, propel themselves with a single posterior Flagellum

What are 4 clades included in the larger clade Opisthokonts?

1) Nuclearilds

2) The Fungi

3) The choanoflagellates

4) The animals

What are general characteristics found in the Nucleariids?

Lacks distinctive characters, but it does include amoeboid species that contain a posteler flagella

Where are Nucleariids found?

Soil and Freshwater

Why do Nucleariids form pseudopods?

For feeding and hocomotion

What are the general characteristics found in the Clade Choanoflagellates?

Free living unicellular and colonial flagellated eukaryotes

Where are Choanoflagellates found?

Marine, brackish, and freshwater environments from the artic to tropics

What does DNA suggest that Choanoflagellates are a sister group to?

Animal kingdom