Biota - Study guides, Class notes & Summaries

EEB 2100 UConn Exam 2 Latest Questions With Verified Answers 2024 Most profound nutrients being added to ecosystems by humans - Correct Answer Nitrogen and phosphorus Nitrogen facts - Correct Answer makes up 78% of Earths atmosphere and many enzymes and proteins that humans need Phosphorus cycle - Correct Answer Necessary for ATP in cellular energy rare and is most often the limiting factor in ecosystems Phosphorus sources - Correct Answer All natural phosphorus is from the weath...

____________ are mutated genes that cause cancers: - Proto-oncogenes ________________ are proteins produced by the immune system - antibodies 75% of increase in CO2 is due to: - Fossil fuels A benign tumor - A non spreading tumor (harmless) but can later become malignant A bundle of axons is called: - nerves A naturalized alien species is: - an alien species that has established itself and becomes a selfperpetuating population become widely dispersed and incorporated into native ecosystem ...

soil - ANSWER--layer(s) of generally loose mineral and/or organic material -affected by physical, chemical, & biological processes -usually hold liquids, gases and biota and support plants -non-renewable resource soil functions - ANSWER-anchorage for plants storage and recycling of nutrients regulate water supply habitat for many organisms engineering medium transformations - ANSWER--weathering of primary minerals to clay & hydrous oxides -humification of organic matter -decaying orga...

BIO 242 EXAM 3 Questions And Answers With Complete Solutions Which lines of defense would be considered nonspecific and innate? First line of defense Second line of defense Differentiate between components of first and second line defense FIRST:Physical and Chemical barriers SECOND: phagocytosis, inflammation, fever, antimicrobial proteins FLOD: lysozome is secreted in tears and saliva What human body region is protected by fatty acids, acidic pH, lactic acid, and tough cell barri...

BIOS 242 Week 4 Assignment; Concepts; Controlling Microbial Growth. Prepare: Controlling Microbial Growth The sterilizing gas used in chemiclaves is . HEPA filters are used to remove microbes from Which of the following microbial forms has the highest resistance to physical and chemical controls? Sterilization is achieved by The method of removing vegetative microbial life forms and debris to reduce contamination to safe levels is termed is a halogen used in gaseous and liq...

CRSS3060 Exam 1 Questions and Correct Answers, With Complete Updated Solution 2024. 208.7 ft an acre has how many feet on each side 328 ft a hectare has how many feet on each side false; soil is a nonrenewable resource T/F? soil is a renewable resource texture, color, pH, potential to support plants, contains organisms (ie bacteria), water holding capacity 6 properties of soil soil the layer(s) of generally loose mineral and/or OM that are affected by physical, chemical and/or biolog...

What are stromatolites? - rocks formed by the accumulation of sedimentary layers on bacterial mats What are stromatolites? - rocks formed by the accumulation of sedimentary layers on bacterial mats When was the oxygen revolution? - 2.7-2.3 bya Oldest Eukaryotes - 1.8 billion years ago Oldest fossil of a multicellular eukaryote - 1.6 billion years ago What is a protist? - polyphyletic group of unicellular eukaryotes when was the earliest direct evidence of life, and where was it...

SCSC 301 TAMU Test 1 with Questions and Answers Principle Components of Soil ANSWER -Air 25% -Water 25% ^ (healthy soil composition, those two vary from 50-0% to 0-50%) -minerals ~45% -Organics ~5% (again healthy soil it varies) % are by volume not mass Soil ANSWER Dynamic natural body having properties due to the combined effects of climate and biota as modified by relief acting on parent material over time. 5 thing that affect soil ANSWER Active: -climate -biota Passive: -p...

AP Environmental Science Exam Review (2023/2024) Already Passed Anthropocentric regarding humans as most significant species; human-centered Tragedy of the Commons the depletion of shared resources by people acting in individual interest Triple Bottom Line approach to sustainability that meets environmental, economic, and social goals (business) Inorganic Compounds compounds that lack carbon and hydrogen atoms Organic Compounds compounds that contain carbon-based molecules Positive Feedback...

BIO 242 EXAM 3 Questions And Answers With Verified Solutions Which lines of defense would be considered nonspecific? - answerFirst line of defense Second line of defense Differentiate between components of first and second line defense - answerFIRST:Physical and Chemical barriers SECOND: phagocytosis, inflammation, fever, antimicrobial proteins FLOD: lysozome - answeris secreted in tears in saliva What human body region is protected by fatty acids, acidic pH, lactic acid, and tough cell barrier ...