Protista Flashcards
(23 cards)
Eukaryote cell possesses a mebrane-bound ____.
Nucleus
Eukaryote Cell: DNA usually exists as multiple ____ _____.
Linear chromosomes
Eukaryote Cell: Possesses multiple ______.
Orgnelles
Eukaryote Cell: Cell memrane may be surrounded by a _____ and/or an outer ____ envelope or ____.
cell wall / envelope / capsule
Eukaryote Cell: May have ____ or ____ to assist in movement.
Flagella or cillia
Protista Basics: All are _____.
Eukaryotes
Protista Basics: Most are _____, but may also be colonial or multicellular.
unicellular
Protists differ in - _____, _____, & _____.
Level of organization
Mode of nutrition
Mode of reproduction
Most protists can reproduce by simple ____ ____.
Binary fission
What are the 2 costs in the “Two Fold Cost of Sex”?
Cost 1 = You only pass on 1/2 of your genes.
Cost 2 = Sex breaks up good allele combinations.
Animal-Like Protists (Protozoa) are either always or primarily ______.
Heterotrophs
Animal-Like Protists (Protozoa) are almost always ______.
Unicellular
They type of Protozoa “amoeboids” move neiter by flagella or cilia; instead they move by extending ________.
pseudopodia
Plant-Like protists (______)
Algae
Algae are primarily _______, although some can switch to heterotrophy in low light.
autotrophs
______ may be unicellular colonial, or multicellular.
Algae
Algae inclues, dinoflagellats, _____, euglenoids, ____ _____, brown alge, golden algae, and red algae.
diatoms, green algae
These potists are all heterotrophs.
Fungus-Like
________: cause many plant diseases (potoato blight, sudden oak death) and some fish diseases.
Water molds
_______ ____ ____: when multicellular, a mass of joined cells not separated by membranes.
Plasmodial slime molds
______ ______ _____: when multicellular, first form slugs and then fruiting bodies
Cellular slime molds
Parasitic Protists:
most are ________.
All are ______.
unicellular
heterotrophs
Parasitic protists: may occur in a single ____ or may use multiple ____.
host
hosts
