Microbiology Quiz: Bacteria and Archaea Features

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What is the primary source of carbon for protists?

Carbon dioxide (correct)

Hydrogen

Nitrogen

Oxygen

What was a significant evolutionary innovation related to protist reproduction?

Evolution of meiosis (correct)

Introduction of photosynthesis

Adaptation to extreme temperatures

Evolution of multicellularity

What do photosynthetic protists do with carbon dioxide from the atmosphere?

Store it in their vacuoles

Reduce it to form sugars (correct)

Release it into the atmosphere

Convert it to oxygen

Which group represents almost half of the total carbon dioxide fixed on Earth through primary production?

Plankton Signup and view all the answers

What do primary producers like diatoms produce that forms the basis of aquatic food chains?

Sugars and other organic compounds Signup and view all the answers

Which organism is responsible for causing Chagas disease?

Trypanosoma cruzi Signup and view all the answers

What is the primary symptom of Amoebic dysentery?

Severe diarrhea Signup and view all the answers

Based on DNA sequence analysis, which organism is hypothesized to be closely related to land plants?

Green Algae Signup and view all the answers

Which trait is shared between green algae and land plants?

Chloroplast synthesize starch as a storage product Signup and view all the answers

Which organism is considered the largest based on the information provided?

Armillaria Ostoyae Signup and view all the answers

What is the main difference between Anaerobic Heterotrophs and Autotrophs?

Anaerobic Heterotrophs can't make their own food, while Autotrophs can. Signup and view all the answers

How do Prokaryotes reproduce asexually?

Through Binary Fission Signup and view all the answers

What is the role of Aerobic saprotrophs in an ecosystem?

They decompose large organic molecules Signup and view all the answers

What might be the cause of blooms in warm, slow-moving waters rich in nutrients?

Nutrient runoff or septic tank overflows Signup and view all the answers

How do Chemoorganotrophs differ from Chemolithotrophs in their energy source?

Chemoorganotrophs absorb carbon-based molecules for energy, while Chemolithotrophs don't. Signup and view all the answers

What is the purpose of Bioremediation using bacteria and archaea?

To clean up sites polluted with organic solvents Signup and view all the answers

What is the main reason why red blooms of dinoflagellates are harmful to humans?

Toxins accumulate in shellfish Signup and view all the answers

Which protist species is responsible for causing malaria in humans?

Plasmodium Signup and view all the answers

What is the medical condition caused by Naegleria fowleri infections?

Meningoencephalitis Signup and view all the answers

In what way do some dinoflagellates demonstrate their bioluminescence?

By emitting a pulse of light when disturbed Signup and view all the answers

How do toxins released during harmful algal blooms impact humans?

Accumulate in shellfish and poison people if eaten Signup and view all the answers

What is the method of transmission for Trypanosomiasis?

Through bites from tsetse flies Signup and view all the answers

What is the primary function of plants in building and holding soil?

Preventing nutrients from being lost to erosion Signup and view all the answers

How do fungi differ from land plants in terms of nutrition?

Fungi are heterotrophic Signup and view all the answers

What ecological role do fungi primarily play in the ecosystem?

Serving as major decomposers Signup and view all the answers

What characteristic distinguishes fungi's method of acquiring nutrients?

Releasing digestive enzymes into the environment Signup and view all the answers

What do fungi contribute to biodiversity based on the text?

Diversification through different reproductive structures Signup and view all the answers

Which organisms are mutualists, master traders, and recyclers in the ecosystem according to the text?

Fungi Signup and view all the answers