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One common characteristic of protists
eukaryotic
: have a nucleus
Example of a funguslike protist
Scrambled egg slime mold
What kind of consumers are funguslike protists?
decomposers
Where are slime molds found?
Cold, damp, shady places
Example of slime molds
Pretzel Slime Mold
What do slime molds do when unfavorable conditions occur?
They develop
spores
: stalk-like structures with knobs
Importance of phytoplankton
makes most of the world's oxygen
Plantlike protists include:
Red algae, green algae, brown algae, diatoms, dinoflagellates, & euglenoids
How algae obtain food
photosynthesis
Where do red algae live?
Tropical oceans
Where do brown algae live?
Cool areas
Where do green algae live?
Water or damp soil
Where do diatoms live?
Salt and fresh water
Where do dinoflagellates live?
Salt Water
Characteristics of Euglenoids
Both plants and animals
What is the purpose of flagella?
Flagella are used to help euglenoids move
How do amoebas move?
Pseudopodia
(false feet) sticks to a surface and the rest of the cell flows, then the other pseudopods retract
What is the shape of Amoebas?
Glass ornaments (due to their shell)
How do amoebas capture food?
Amoebas surround the food with its pseudopodia (false feet), forming a vacuole
Example of symbiotic flagellate
lives in guts of termites
Cilia
hairlike threads that move 60 times a minute to help the ciliate move around
Example of a ciliate
paramecium
What is a macronucleus in a ciliate?
It is one of the 2 nuclei in a ciliate in which helps direct everyday function of the cell
What is a micronucleus in a ciliate?
It is one of the 2 nuclei in which helps pass genes to another paramecium during sexual reproduction
Spore-forming protists
Parasitic (Parasites); absorb nutrients from the host
Plasmodium vivax
Spore-forming protists that cause maleria
How do fungi obtain food?
Fungi either decompose the food that they are living on or near or they are parasitic (parasites)
Author
Anonymous
ID
75787
Card Set
Kristen Delly
Description
Term Sheet- Chapter 12 7th Grade Science SKINNER
Updated
2011-03-29T02:31:13Z
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