Ch14

Question 1

ecosystem

Answer 1

interactions/exchanges between organisms and their environment

Question 2

niche

Answer 2

the SPECIFIC role of an organism in an ecosystem

Question 3

guilds

Answer 3

groups of organisms that carry similar processes

Question 4

What are the difference between ecosystems and niches

Question 5

biofilms
whar are the adcantages of biofilms

Answer 5

communites of microbe held together by created extracellular polysacharrides

Question 6

how could microbe communities be studied

Answer 6

cultivation independent and dependent techniques

Question 7

Explain the Wiinogradsky column

Answer 7

cultivation dependent technique;…

Question 8

What are cultivation-independent techniques

Answer 8

16s rRNA direct sequencing without growthe or cloning

DGGE is one (breaking done genome and compare to others by band size directly

TRFLP indirect method

FISH separate cells in a sample

Flow cytometry

Stable isotope method (dispersive, conservativ/e, and semi conservative; based off of density/weight of DNA)

MEtagenomics (creation of different genomic libraries

Question 9

Operational taxonomic unit (OTU)

Answer 9

Organisms that share at least 97% of SSRMA SHIT

Question 10

What are the different hoix=zionz of soil

Answer 10

A O all that shit

Question 11

Lytic viruses cause bacteria to lyse ig
What percentage of the oceANS MAS IS MICROBIAL

Answer 11

98%

Question 12

dead zones

Question 13

what is the top thing that contributes to the carbon cycle in marine ecosystems

WHat do

Answer 13

viral mediated lysis

Question 14

most life is present around which location of the ocean

dark mid water-zone
deep- sea zone

Answer 14

the top

explain explain

Question 15

how much production reaches the sea floor?

Answer 15

1%

Question 16

oligotrophic microbes
differences between abundance and diversiTY

Answer 16

do not like nutrients

Question 17

WHat is more abundant in oceans? Which has more biomass

Answer 17

viruses; bacteria and archaea

Question 18

what is the dilution to extinction method? what do they have to do with oligotrophic molecules

Question 19

proteorhodopsin; what is the reason for polyphasic taxonomy?

Answer 19

;it hars for the gathera ll sorts of information and grouping it together since it is difficult to cultute

Question 20

Freshwater Ecosystems

Answer 20

warmer aerobicupper level
colder anoxygeniclower level
themoclinr middle levEl

Question 21

STARRRRRSTARRSTARRTerrestrial Ecosystems

Answer 21

Name all horizons and decribe O A B C BEdrock, molten layer, core

Question 22

soil is a mix of

Answer 22

clay silt, loarn, sand (sand is low in microbial life, clay is more conducive for biofilms and life)

Question 23

What determines the culture

Answer 23

aggregation/clumping of soil

Question 24

RHIZOSPHERE, what is the symbiosis

Answer 24

impoertant for nitogen cycle, possesses a lot of organic carbon, important for nitrification

plants and microbes

Question 24

RHIZOSPHERE, what is the symbiosis

Answer 24

impoertant for nitogen cycle, possesses a lot of organic carbon, important for nitrification plants and microbes

Question 25

RHIZOSPHERE, what is the symbiosis

Answer 25

impoertant for nitogen cycle, possesses a lot of organic carbon, important for nitrification plants and microbes

Question 26

soil microbiome is important

Question 27

whaty is lignon

Answer 27

2nd biggest biopolymer something ltke that cellulose is the largest reservoir of carbon lignon broen studd cellulose green stuff

Question 28

biodegradation\bioremediation/biotimulation/bioaugmentation xenobiotics

Answer 28

2nd one is chemicals not found in nature

Question 29

chemolithoautotrophs are the reasons for energy prouduction in places where there is not sunlight

Answer 29

hydrogen sulfide can be used i guess