Aquatic Microorganisms Flashcards
(29 cards)
Microbes are crucial in aquatic
ecosystems, playing a vital role in
(3)
biogeochemical cycling
nutrient transportation
pollution mitigation
is a
technique for culturing microorganisms by
soaking hay or dried plant material in
freshwater, creating a nutrient-rich
environment that supports a diverse
microbial community.
hay infusion
are widely utilized
to directly observe live microorganisms in
motion, enabling the analysis of their of
behavior, motility, and morphology
wet mount
hanging drop
which includes swimming,
swarming, twitching, and sliding is a key
characteristic that enables microorganisms to
actively move in their habitats and assists in
survival and adaptability
motility
list down the methods in the activity
Collection of
Water Sample
from a pond into a
bottle
Add dried leaves
or hay into the
collected water
Add yeast and
sugar
Seal setup and
store for two
weeks
Observe for
microbial life
Collection of
Water Sample
from a pond into a
___
Add dried leaves
or hay into the
collected water
Add yeast and
sugar
Seal setup and
store for two
weeks
Observe for
microbial life
bottle
Collection of
Water Sample
from a pond into a
bottle
Add ____ or __ into the
collected water
Add yeast and
sugar
Seal setup and
store for two
weeks
Observe for
microbial life
dried leaves
hay
Collection of
Water Sample
from a pond into a
bottle
Add dried leaves
or hay into the
collected water
Add __ and
___
Seal setup and
store for two
weeks
Observe for
microbial life
yeast
Collection of
Water Sample
from a pond into a
bottle
Add dried leaves
or hay into the
collected water
Add yeast and
sugar
Seal setup and
store for ___
weeks
Observe for
microbial life
two
a genus of ciliate
protozoans characterized by its distinctive elongated, cylindrical body shape and
remarkable contractile ability
spirostomum
as these protists feed on the
bacteria that decompose the plant material
and form biofilms.
spirostomum
where
larger protists appear after their food sources
have established populations
trophic relationships
The organism is derived from
the subclass Euplotia (syn. Hypotrichia sensu
Lynn 2008) from the Euplotida order, and
Euplotidae family. The usual habitat of the
organism has a wide distribution within
freshwater, terrestrial, and marine habitats
euplotes
generally
have ellipsoidal body shape with a truncated
anterior end, and round posterior end and is
typically noticeable with the broad buccal
area with ciliated structures
euplotes
in aquatic environments, microorganisms occur at all ___
depths
as the depth varies, changes in __ and ___ of microorganisms are expected
diversity
density
microbial growth and variation are determined by factors such as
nutrient status
pH
dissolved gases
light
temperature
total dissolved solids
salinity
pressure
high microbial numbers generally reflect high ___ levels in the water
nutrietns
aquatic environments include __ bodies such as lakes, rivers, and streams
freshwater
aquatic environments include ___ bodies such as oceans and estuaries
marine
ecosystems that are important to humans by serving as surface water storage and as a background for conduct of economic activities
fresh water
are utilized as water bodies for navigation and also sites for economic acitvities
marine water ecosystem
in both freshwater and marine water, an integarl component is the ___
sediment
