Extremophiles Flashcards
(27 cards)
What are extremophiles?
Organisms that thrive in extreme environmental conditions.
True or False: Extremophiles can only be found in extreme environments.
False
Fill in the blank: Extremophiles are classified into categories based on their __________ conditions.
environmental
Name one type of extremophile that thrives in high temperatures.
Thermophiles
What do we call extremophiles that live in highly acidic environments?
Acidophiles
True or False: Halophiles prefer environments with low salt concentration.
False
Which type of extremophile can survive in high radiation levels?
Radiophiles
Fill in the blank: __________ are extremophiles that can endure extreme pressure, often found in deep ocean trenches.
Piezophiles
What is the primary characteristic of psychrophiles?
They thrive in extremely cold temperatures.
Multiple Choice: Which of the following is NOT a type of extremophile? A) Thermophile B) Acidophile C) Mesophile D) Halophile
C) Mesophile
True or False: All extremophiles are microorganisms.
False
What do extremophiles contribute to scientific research?
Insights into life’s adaptability and potential for extraterrestrial life.
Name a common habitat for halophiles.
Salt lakes or salt flats.
Fill in the blank: __________ extremophiles can survive in environments with very low water availability.
Xerophilic
Which extremophiles are known for their ability to metabolize sulfur?
Sulfate-reducing bacteria
True or False: Thermophiles can only be found in volcanic areas.
False
What is a key feature of extremophiles that allows them to survive extreme conditions?
Unique cellular structures and biochemical pathways.
Multiple Choice: Which of the following is a potential application of extremophiles? A) Bioremediation B) Food preservation C) Genetic engineering D) All of the above
D) All of the above
What scientific field studies extremophiles and their environments?
Astrobiology
Fill in the blank: __________ are extremophiles that can survive extreme temperatures, both high and low.
Thermophiles and psychrophiles
True or False: The study of extremophiles has implications for understanding the origins of life on Earth.
True
What type of extremophile is found in environments with high sulfur concentrations?
Sulfurophiles
What is one reason extremophiles are of interest for biotechnology?
They produce enzymes that function under extreme conditions.
Name a type of extremophile that can survive in extreme alkaline conditions.
Alkaliphiles