Enviro Material/Final Flashcards

1
Q

Study of microbes in their natural habitat

A

Environmental Microbiology

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2
Q

Study of interactions between microbes and their environment, both living and non living

A

Microbial ecology

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3
Q

Living or dead organisms are

A

Biotic

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4
Q

Non-living compounds such as gases, minerals, water, temperature and light.

A

Abiotic

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5
Q

Particular climactic regions

A

Biome

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6
Q

Organisms of the same species within a community

A

Population

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7
Q

Organisms that live together that exhibit well-defined nutritional or behavioral interrelationships

A

Community

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8
Q

Physical location in the environment to which an organism has adapted

A

Habitat

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9
Q

Role that a species, or population, serves in a community; nutritional intake, position in the community, and rate of population growth

A

Niche

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10
Q

Provide fundamental energy source: produce organic compounds by assimilating inorganic carbon fro the atmosphere

A

Producer

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11
Q

Feed on other living organisms and obtain energy from chemical bonds

A

Consumer

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12
Q

Microbes breakdown and absorb inorganic matter of dead organisms

A

Decomposer

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13
Q

actual nutritional structure of a community

A

Food Webs

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14
Q

symbiotic associations between a fungus and a cyanobacterium or green alga

A

Lichen

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15
Q

nitrogen fixing bacteria that live inside root nodules of some plants

A

Rhizobia

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16
Q

symbiotic organs formed between fungi and certain plant roots

A

Mycorrhizae

17
Q

Cryptobiotic soil

A

Biological Soil Crust

18
Q

Originates in the habitat

A

energy/nutrients

19
Q

Essential building blocks of protoplasm are recycled between biotic and abiotic environments

A

Origin of bioelements

20
Q

Remove elements from their inorganic reservoirs and convey them into the food web.

A

Role of microorganisms in food web

21
Q

How do microbial mutualists like mycorrhizal fungi and rhizobial bacteria benefit humans?

A

Important to soil chemistry/supplies nitrogen to soil

22
Q

Most primitive of life forms, closely related to eukaryotes than bacteria; extremophiles

A

Archae/prokaryotes

23
Q

Evolved from prokaryotes;contain organelles;

A

Eukaryotes

24
Q

+ thick peptidoglycan wall with little periplasmic space/ - thin peptidoglycan layer with large periplasmic space;cell membrane on outter part

A

Gram pos.(purple) vs gram neg.(red)

25
Q

Reacting molecule loses water molecule, forming water

A

Dehydration synthesis

26
Q

Amino acid to a protein;Two molecules form a larger molecule

A

Condensation reaction

27
Q

Bacteria

A

Bacteria

28
Q

prokaryotes

A

prokaryotes