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
Phylum bacillariophyta are known as…
also known as diatoms
Phylum cholrophyta are
- unicellular
- multicellular
- colonial
b) Most are unicellular, but some are multicellular or colonial
Phylum chlorophyta live…
a) Most are freshwater, but some are in oceans or on land
Phylum chlorophyta are also known as….
also known as green algae
What is unique about dinoflagellata?
d) Some are bioluminescent, they produce light
e) Example: red tides
are dinoflagellata heterotrophic or autotrophic?
c) Some are autotrophic, others are heterotrophic, and some are both
Phylum dinoflagellata have…
b) Two flagella of equal length
Phylum dinoflagellata are
- multicellular
- unicellular
a) Unicellular
Phylum euglenozoa are
- autotrophic
- heterotrophic
e) Some are both autotrophic and heterotrophic
f) Example: euglena
Phylum euglenozoa reproduce…
d) Reproduce asexually via mitosis
Phylum euglenozoa are
- unicellular
- multicellular
c) Unicellular
Phylum euglenozoa move like…
b) Move around like animals
Phylum euglenozoa undergo….
a) Undergo photosynthesis like plants
Phylum mastigophora are…
Behaviour
c) Most are parasites; they live off of other organisms.
Phylum mastigophora are _______ and live _______
b) Most are unicelluar and live in ponds.
Phylum maastigophoraq have ….
a) Flagella, whip-like tails, are used to propel themselves.
What is the structure of phylum phaophyta?
d) Structure
(1) Holdfast: a root-like base
(2) Stipe: rubbery, stem-like structure
(3) Blades: main site of photosynthesis
(4) Bladders: air-filled structures that help them float to the surface
Phylum phaeophyta are all…
- uniform in size
- different sizes
c) Size varies greatly from microscopic to up to 80 meters long
Phylum phaeophyta live…
b) Most live in cool temperatures in the ocean
Phylum phaeophyta are
- multicellular
- unicellular
a) Multicellular
Phylum phaeophyta are known as…
also known as brown algae
Phylum rhodophyta produce
c) Agar, a gelatinous substance, comes from this type of algae
Phylum rhodophyta grow
b) Most grow in shallow, warm waters in the tropics
Phyloum rhodophyta contain pigment phycobilins, which cause them to appear…
also known as red algae
a) Contain the pigment phycobilins causing them to appear red
Plasmodiumle
a sporozoan that causes malaria
Protozoans
Animal-like protists
Pseudopods
“false foot” assists some protozoans in movement and feeding
Red alge
Phylum: rhodophyta
a) Contain the pigment phycobilins causing them to appear red
b) Most grow in shallow, warm waters in the tropics
c) Agar, a gelatinous substance, comes from this type of algae
spore
a reproductive unit
Stipe
rubbery, stem-like structure
Thallus
Basic body unit of plant-like protists
Water molds are mostly…
Habitat
- Mostly aquatic
Water molds in the water typically feed on…
- Water species that typically feed on dead fish or other decaying matter
Water molds on land typically feed on…
- Those on land feed on decaying plants
Water molds cause…
- Cause blight, a disease that causes plant death
Slime molds grow…
- Grow in cool, moist places
Slime molds eat…
- Eat decaying vegetation
Slime molds move…
- Appear stationary, but move very slowly
Slime molds go through two…
- Go through two phases:
a) Feeding phase: moving around slowly with a pseudopod eating decaying matter
b) Reproductive phase: fruiting bodies are formed which produce spores
Phylum sporozoa have no…
a) No special structures for movement
Phylum sporozoa all form…
b) They all form spores, a reproductive unit, at some point in their life.
(1) The nucleus divides several times.
(2) The organism breaks apart and each nuclei becomes a spore surrounded by a protective covering.
(3) When favorable conditions arise, the spore gives rise to a new organism.
Phylum sarcodia have flexible…
a) Have a flexible cell membrane allowing them to change shape
Phylum sarcodia have —– to assist in movement and feeding
Pseudopod or “false foot” assists them in movement and feeding
