Extremophiles Study guides, Class notes & Summaries

7. AQA GCSE Biology Ecology Ecosystem ️The interaction of a community of living organisms with the non-living parts of their environment What is a community made up of? ️The populations of different species or organisms that are all interdependent in a habitat Habitat ️The environment in which an organism lives Population ️The total number of organisms of the same species living in the same geographical area Interdependence ️The way in which each species within a communit...

All Living Organisms … ◆ Acquire energy & matter from their surroundings ◆ Made of a cell ◆ Have the ability to reproduce ◆ Have populations that can evolve ◆ Respond to the environment ◆ Metabolism that is anaerobic or aerobic ◆ Have DNA ◆ Are carbon & water based Are viruses Alive ? ◆ No ● Not cellular ● Can't acquire energy from surroundings ● Can't respond to environmental stimuli Three Domains of Life : ◆ Eukaryotes ● Have nucleus ● Membr...

Science - Collection of facts and a process for understanding the world Pseudoscience - Individuals make scientific-sounding claims that are not supported by trustworthy,methodical scientific studies Biology - Scientific study of life What can science NOT answer - The existence of God, understanding of beauty Hypothesis - Proposed explanation for observed phenomena Theory - Hypothesis for natural phenomena that is exceptionally well supported by data Control - The attempt to minimize any ...

homology - Answer- characters present in organisms because they were inherited from a common ancestor homoplasy - Answer- two structures with the same morphology, where this morphology was not inherited from a common ancestor (evolved multiple times independently) Conflict vs Congruence - Answer- whether or not new data correlates with the hypothesized phylogeny (congruence) or doesn't correlate with the hypothesized phylogeny (conflict) Cladograms - Answer- branch lengths are meaningl...

What are the properties of life? - correct answer *Cells and organization *Energy use and metabolism *Environmental response *Regulation and homeostasis *Growth and development *Reproduction *Biological evolution 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 allopat...

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...

Exam1review WEEK1 HereissomeinformationaboutExam1. • Thisexaminationcoverscontentlearnedinweeks1and2. • Thisexamisworth120totalpoints,andincludesthefollowingtypesofquestions: o 25Multiplechoicequestions o 5Fillintheblankquestions o 2Shortanswerquestions o 2Essayquestions • Youhave90minutestocompletetheExam. • Whenthetimelimitisreached,youwillautomaticallybeexitedfromtheexam. • Remembertochoosethebestanswer,somequestionsmayhavemorethanonecorrectanswerbutonly one BESTanswe...

oxygen Desalination plants can lower what levels in the water because the plants are removing the salt and spitting that salt back into the ocean, causing briny water? RNA Inhaling what can cure cystic fibrosis because this stuff can make proteins that will help fight the disease? ghrelin Which hormone makes food appealing and can result in overindulgence by releasing dopamine when food is sighted? It can also be used to treat eating disorders and loss of appetite from chemoth...

1. Question: Which_ of the following_ is ‘not’ a microscopic organism that Leewenhook was able to observe under the microscope he constructed in 1674? a. Algae b. Bacteria c. Archaea d. Viruses e. Small multicellular animals 2. Question: Which_ of the following_ is INCORRECT regarding Archaea? a. They are known as extremophiles b. They have external features called hami c. They are grouped in the domain eukarya d. They are unicellular and lack nuclei e. None of the above 3. Q...

1. Question: Which_ of the following_ is ‘not’ a microscopic organism that Leewenhook was able to observe under the microscope he constructed in 1674? a. Algae b. Bacteria c. Archaea d. Viruses e. Small multicellular animals 2. Question: Which_ of the following_ is INCORRECT regarding Archaea? a. They are known as extremophiles b. They have external features called hami c. They are grouped in the domain eukarya d. They are unicellular and lack nuclei e. None of the above 3. Questio...