Biodiversity And Classification Of Microorganisms Flashcards

1
Q

What is biodiversity?

A

Biodiversity refers to the variety of life in a particular habitat or ecosystem.

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2
Q

True or False: Microorganisms are a significant part of biodiversity.

A

True

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3
Q

Name the three main domains of life.

A

Bacteria, Archaea, and Eukarya.

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4
Q

Fill in the blank: The study of microorganisms is known as _____.

A

Microbiology.

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5
Q

What are the two major groups of prokaryotic microorganisms?

A

Bacteria and Archaea.

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6
Q

Multiple Choice: Which of the following is a type of eukaryotic microorganism? A) Bacteria B) Virus C) Fungi D) Archaea

A

C) Fungi

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7
Q

What role do microorganisms play in ecosystems?

A

Microorganisms play roles such as decomposers, producers, and nutrient recyclers.

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8
Q

True or False: Viruses are classified as living organisms.

A

False

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9
Q

What is the primary method used to classify microorganisms?

A

Taxonomy.

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10
Q

Fill in the blank: The Linnaean system of classification includes _____ main ranks.

A

Eight.

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11
Q

Multiple Choice: Which of the following is NOT a characteristic of bacteria? A) Unicellular B) Prokaryotic C) Photosynthetic D) Eukaryotic

A

D) Eukaryotic

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12
Q

What is the significance of microbial diversity?

A

Microbial diversity is crucial for ecosystem stability, resilience, and functioning.

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13
Q

Which microorganism is known for nitrogen fixation?

A

Certain bacteria, such as Rhizobium.

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14
Q

True or False: Archaea can survive in extreme environments.

A

True

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15
Q

What are extremophiles?

A

Microorganisms that thrive in extreme environmental conditions.

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16
Q

Fill in the blank: The process by which microorganisms break down organic materials is called _____.

A

Decomposition.

17
Q

Multiple Choice: Which of the following best describes fungi? A) Prokaryotic B) Eukaryotic C) Viruses D) None of the above

A

B) Eukaryotic

18
Q

Name one method used to identify and classify bacteria.

A

Gram staining.

19
Q

True or False: All microorganisms are harmful to humans.

A

False

20
Q

What is the function of microbiomes in humans?

A

Microbiomes aid in digestion, immunity, and overall health.

21
Q

Fill in the blank: The domain _____ includes multicellular organisms.

A

Eukarya.

22
Q

Multiple Choice: Which of the following is a characteristic of viruses? A) Cellular structure B) Metabolism C) Ability to reproduce independently D) None of the above

A

D) None of the above

23
Q

What is the difference between autotrophic and heterotrophic microorganisms?

A

Autotrophic microorganisms produce their own food, while heterotrophic microorganisms rely on other organisms for nutrition.

24
Q

True or False: Microorganisms can be used in bioremediation.

A

True

25
Q

What is the role of decomposers in the ecosystem?

A

Decomposers break down dead organic matter, recycling nutrients back into the ecosystem.

26
Q

Fill in the blank: The scientific name of an organism consists of its _____ and _____ names.

A

Genus and species.