Food webs Study guides, Class notes & Summaries

BSC 3312 Final Exam Test Questions with solutions 2023 (Verified Already Graded A+) Shallow Sediment Bottoms & Estuaries - answer• passive plate margins • low oxygen availability • grain size is influenced by water turbulence and determines the organisms that can live there o sand, silt, clay Shallow Sediment Bottoms & Estuaries - answerNot very productive due to wave action Organisms burrow in sediment Shallow Sediment Bottoms & Estuaries - answer• not a lot of epifauna because w...

Contemporary Issues in Biology Final ~ TCU, Sawey Exam Questions and Answers how long have homo-sapiens been on earth - Answer- thought to be 200,000 years, starting in ethiopia mutation - Answer- change in nucleotide in the base of DNA; not all harmful; passed down in generations of that descent when did humans establish themselves worldwide - Answer- 12,000 years ago; before humans and agriculture coincided how did humans live before agriculture - Answer- used tools (needles, spears, c...

TEST BANK for Marine Biology: Function, Biodiversity, Ecology 5th Edition by Jeffrey Levinton. ISBN 9780190681289, ISBN- _TABLE OF CONTENTS_ CHAPTER 1: Sounding the Deep CHAPTER 2: The Oceanic Environment CHAPTER 3: Climate Oscillations and Climate Change CHAPTER 4: Ecological and Evolutionary Principles of Marine Biology CHAPTER 5: The Chemical and Physical Environment CHAPTER 6: Life in a Fluid Medium CHAPTER 7: Reproduction, Dispersal, and Migration CHAPTER 8: Plankton CHAPTER 9: Marine Verte...

Paea general surgery eor Questions with Complete Solutions Rated A+ what are the 2 conditions under the inflammatory bowel disease umbrella? 1. ulcerative colitis 2. crohn's dz in comparing ulcerative colitis and crohn's dz, which is: -limited to the colon w/ rectum always involved *VS* mouth to anus -transmural *VS* mucosa/submucosa involved -LLQ *VS* RLQ pain -bloody diarrhea *VS* non -complications of perianal dz, strictures, fistulas & granulomas *VS* colon cancer & toxic megaco...

BSC 3312 Final Exam Practice - Questions with complete solutions 2023 (Verified Graded 100%) Rocky Intertidal Shores - answer• shoreline/continental shelves inland of K.F. • active plate margins and steep coasts without a lot of sediment • moderate sunlight, cool waters, LOTS of nutrients Rocky Intertidal Shores - answerHIGH productivity Rocky Intertidal Shores - answer• rock-boring clams, snails, chitons, etc. • epifauna that live on the surface of the substrate and sessile organ...

Microlivestock - Answer-Insects for food Commercial Extinction - Answer-Numbers are so small they be used too make money Desalination - Answer-Removing salt from ocean water to produce freshwater Malnutrition - Answer-Enough calories wrong combination of macronutrients Undernutrition - Answer-Not consuming enough calories Hydrological Poverty - Answer-Not being able to afford a safe supply of water Water Mining - Answer-Removing water faster than it recharges Doctrine of Riparian Rights -...

Structural Pest Control Board Applicators Exam Study Questions Verified Answers What are the identifying features of a female black widow spider? Glossy black, globe-like abdomen with a deep red hour glass on her stomach. What are the identifying features of a black widow web? It is irregular with no distinct pattern and very strong in comparison to most other spiders. What does the term 'Ballooning' mean? When spiderlings (newly hatched spiders) climb to a high place, spin a pie...

Abiotic Factors - Rainfall pH Temperature Humidity/lack thereof Presence/level of pollution Areas with high biodiversity (7) - - Large number of successful species - Relatively benign climate with more ecological niches - Presence of many species - Few specific adaptations to enviroment - Complex food web - Change in enviroment has a relatively small effect on the ecosystem as a whole -High biodiversity index (above 0.5) Areas with low biodiversity (7) - - Few successful number of sp...

Organic Nutrient - An organism that contains carbon and hydrogen Inorganic Nutrient - An organism that does not contan carbon and hydrogen Phototroph - An organism that gains energy from light through photosynthesis Heterotroph - An organism that must obtain carbon in an organic form - they are dependent on other life forms Chemotroph - An organism that gains energy from chemical compounds - this means they eat things. Harvesting energy from the things they eat. Autotroph - An org...

Organic Nutrient An organism that contains carbon and hydrogen Inorganic Nutrient An organism that does not contan carbon and hydrogen Phototroph An organism that gains energy from light through photosynthesis Heterotroph An organism that must obtain carbon in an organic form - they are dependent on other life forms Chemotroph An organism that gains energy from chemical compounds - this means they eat things. Harvesting energy from the things they eat. Autotroph An organism that g...