Extremophiles Study guides, Class notes & Summaries

BIOD 101 Exam 2 (Questions and Answers A+ Graded 100% Verified) List the 7 most widely accepted characteristics of living organisms CORRECT ANS: Order, evolutionary adaptation, regulation, energy processing, growth and development, response to the environment, and reproduction Describe evolutionary adaptation and give an example CORRECT ANS: refers to smaller, genetic changes that allow for better survival of an organism. An example would be camouflage because if an animal can camo...

What are the 3 domains of life? correct answer: Archaea, Bacteria, Eukarya What is a soil micro biome? correct answer: A representation of all 3 domains of life ie. microbial community Which domain of life is being described: - Methanogens - Extremophiles - Oldest known organisms correct answer: ARCHAEA Which domain of life is being described: - Cyanobacteria (photosynthetic, O2) - Eubacteria (true) - Abundant and diverse correct answer: BACTERIA Which domain of lif...

What is a characteristic of rhizospheres? a. The rhizosphere is where microbes that survive well in extremely acidic conditions reside. - Microbes that survive in extremely acidic conditions are called extremophiles. b. The rhizosphere is where microbes that survive well on humans reside. - Microbes that survive on the human body are part of the human microbiome. c. The rhizosphere is where microbes that survive well in the cold reside. - Microbes that survive well in the cold are psychrop...

What is a characteristic of rhizospheres? a. The rhizosphere is where microbes that survive well in extremely acidic conditions reside. - Microbes that survive in extremely acidic conditions are called extremophiles. b. The rhizosphere is where microbes that survive well on humans reside. - Microbes that survive on the human body are part of the human microbiome. c. The rhizosphere is where microbes that survive well in the cold reside. - Microbes that survive well in the cold are psychrop...

What is a characteristic of rhizospheres? a. The rhizosphere is where microbes that survive well in extremely acidic conditions reside. - Microbes that survive in extremely acidic conditions are called extremophiles. b. The rhizosphere is where microbes that survive well on humans reside. - Microbes that survive on the human body are part of the human microbiome. c. The rhizosphere is where microbes that survive well in the cold reside. - Microbes that survive well in the cold are psychrop...

3 Groups of the Tree of Life - Answer-Bacteria, Archaea, and Eukarya Structure of bacteria - Answer-Circular, 1-2 membranes What is the primary reason the size of bacteria is limited? - Answer-Diffusion Myrobacterium - Answer-Bacterium in which cells aggregate to form fruiting bodies How does bacteria reproduce? - Answer-Only splitting (not sexual), get new genetic information and can acquire it Conjugation - Answer-Direct transfer of DNA between 2 living cells (linear) Pilus - Answer-Phy...

BIOD 171 Microbiology Module 1 – 6 Exam Questions and Answers Microbiology -Answer-The study of microbes and their biological processes at the micro (microscopic) level. Microbes -Answer-1. A general term that includes microorganisms and viruses; an organism or virus too small to be seen without a microscope 2. Beneficial when aiding in food digestion to protecting us when we are exposed to potentially harmful foreign invaders to helping crops grow 3. Detrimental when harmful strains o...

BIO 202 Exam 1 Questions With 100% Correct Answers Updated 2024/2025 (Graded A+) When was earth formed? - correct answer 4.55 billion years ago When did life on earth first appear? - correct answer 3.5 billion years ago What are the evolutionary mechanisms? - correct answer *Nonrandom mating *Migration *Genetic drift *Natural selection When does allopatric speciation occur? - correct answer when members of the same species become geographically separated When does sympatric speciation oc...

Life emerged on Earth shortly after the planet was formed, some BLANK years ago. - 3.8 billion Microbes are tiny living things that are found all around us and are too small to be seen by the naked eye. They live in water, soil, and in the air. The human body is home to millions of these microbes too, also called microorganisms - True Extremophiles are microbes that survive in intense conditions, such as very high or low temperatures. - True What is the difference between autotrophs and he...

BIOLOGY 111 EXAM 2 (QUESTIONS & ANSWERS)BIOLOGY EXAM 2 (QUESTIONS & ANSWERS) 1) Carl Woese successfully argued that biologists group living things according to domains rather than kingdoms. He also argued that Archaea and bacteria had to be placed in separate domains because a. Bacteria are polyphyletic, whereas Archaea and Eukarya are monophyletic b. Bacteria and archaea both use fMet as their first amino acid translation during protein synthesis c. They both are prokaryotes d. Only the ar...