Lesson 13 terms Flashcards
Algae
plant-like protists
Amoeba
A type of protist characterized by great flexibility and the presence of pseudopodia (“false feet”)
Bioluminescent
able to emit light
Bladders
air-filled structures that help them float to the surface
Blades
main site of photosynthesis
Blight
a disease that causes plant death
Budding
occurs when a single-celled organism pinches off part of its cell and creates a new cell
Cilia
Hundreds of hairlike extensions that assist Phylum ciliophora in movement
Colonial organisms
a collection of similar cells living together
Conjugation
when two paramecia exchange genetic information through a bridge that joins them together
Cyst
enclosed sac within body tissues, having a distinct membrane and generally containing a liquid material
Decomposers
consume dead or decaying organisms
Euglena have two…
Absorbs _______ from its environment and undergoes ______ for energy production
Euglena
(1) Has two flagella used for movement
(2) Absorbs dissolved food from its environment and undergoes photosynthesis for energy production
Flagella
whiplike tails found in one-celled organisms to aid in movement
Fruiting bodies
The reproductive structure of a fungus that produces spores
Giardia
A microorganism that infects the digestive system
Green algae
Green algae
Phylum: chlorophyta
a) Most are freshwater, but some are in oceans or on land
b) Most are unicellular, but some are multicellular or colonial
Holdfast
a root-like base
Motile
Motile
exhibiting movement
Paramecia reproduce two ways:
Paramecia
(1) Reproduce sexually via conjugation when two paramecia exchange genetic information through a bridge that joins them together
(2) Reproduce asexually via binary fission
Parasite
an organism that lives in or on another organism
Phylum ciliophora reproduce…
b) Example: paramecia
(1) Reproduce sexually via conjugation when two paramecia exchange genetic information through a bridge that joins them together
(2) Reproduce asexually via binary fission
Phylum ciliophora have…
a) Cilia, hundreds of hair-like extensions, assist them in movement.
Phylum bacillariophyta reproduce…
f) Reproduce sexually and asexually
Phylum bacillariophyta shells…
e) Shells of diatoms sink to the floor after their death, creating diatomaceous earth
Phylum bacillariophyta are shaped…
Phylum bacillariophyta have pores, which allow…
c) Shaped in geometric patterns
d) Pores allow dissolved gasses to diffuse into the cell
Phylum bacillariophyta have a cell wall made of…
b) They have a unique cell wall made of glass or silica
Phylum bacillariophyta are
- unicellular
- multicellular
a) Most are unicellular, but some are colonial