Mass extinction Study guides, Class notes & Summaries

What is extinction? correct answer: The loss or death of a species What is mass extinction? correct answer: A decline in biodiversity greater than the background extinction rate What is background extinction? correct answer: Background extinction occurs when certain populations are reduced to zero because of normal environment change, emerging disease, predation pressure, or competition with another species How are mass extinctions detected and how many have been detected? correct an...

What is the origin of the Earth? - Answer-Formed out of a solar nebula What are the origins of Life? - Answer-Archaea - the oldest origin of life on Earth What is kinetic energy? - Answer-The energy of motion What is heat energy? - Answer-Energy created by particles of matter rubbing together What is density? - Answer-A measurement of the amount of matter in a given volume of something. (mass per unit volume) What is convection? - Answer-Transfer of heat through currents caused by differen...

Test bank for Ecology: The Economy of Nature 9e 9th Edition by Rick Relyea. ISBN-13: 5542 Full Chapters test bank included Chapter 1 An Introduction to Ecology 1.1 Ecological Systems Exist in A Hierarchy of Organization Individuals Populations Communities Ecosystems The Landscape The Biosphere 1.2 Physical and Biological Principles Govern Ecological Systems Conservation of Matter and Energy Dynamic Steady States Evolution 1.3 Different Organisms Play Diverse Roles in Ecological...

RNAS C Practice Test Review 437 Questions with Verified Answers A capacitor and resisitor in parallel - CORRECT ANSWER will have same voltage across since in parallel. if in series, voltage drops would occur they can be treated together If the absolute pressure of a gas is increased from 3 atm to 4 atm at constant volume, then the absolute temperature of the gas will increase by: A. 25%. B. 33%. C. 67%. D. 75% - CORRECT ANSWER B. Assuming the validity of the Ideal-Gas law, PV = n...

Biodiversity correct answers variability of organisms on earth, generated by evolution through the process speciation Speciation correct answers the formation of a new species species richness correct answers number of species that were or are on earth, Ancient vs current Genetic Variation correct answers Study one species and variation within or between all species Bilogoney Bilogoney correct answers way to organize variation and living things Community composition correct answe...

ABCTE Elementary Education Exam 206 Questions with Verified Answers Magna Carta - CORRECT ANSWER (1215) a charter of liberties (freedoms) that King John "Lackland" of Englad was forced to sign; it made the king obey the same laws as the citizens of his kingdom 13th Ammendment - CORRECT ANSWER officially abolished slavery, prohibits involuntary servitude. Articles of Confederation - CORRECT ANSWER 1st Constitution of the U.S. (weaknesses-no executive, no judicial, no power to tax, n...

Biodiversity correct answers Describes variability of organisms Generated by evolution through speciation How is Biodiversity Measured? correct answers Species richness: # species in given area Genetic Variation: different versions of genes in species Community Comp: types of interactions (prey/predator) Ecosystem Diversity: how species interact with nonliving environment How is Biodiversity Organized? correct answers Time: when first evolved Taxonomy: naming/organizational sy...

Science Bowl Ultimate Study Guide Earth/Space Latest 2024 Graded A+ Short Answer Lightning is most likely to occur at what time of day: morning, afternoon, evening, or night? ANSWER: AFTERNOON Multiple Choice Which of the following will NOT result from variations in the Moon's orbital plane with respect to the Earth? W) The Moon will continue to cause solar eclipses X) The Moon will pass over the Earth's North Pole Y) There will continue to be lunar eclipses Z) The apparent path...

BIO 182 FINAL EXAM ASU LATEST UPDATE GRADED A+ Describe boreal forests -Forms in sub-arctic -Dominated by highly cold tolerant trees -Very cold winters and short, cool summers -Low precipitation -NPP is low Describe grasslands -Conditions are too dry to enable tree growth -Moderate temps and rainfall -NPP lower than forest communities Describe subtropical deserts -Very low rainfall -High annual temps -Low NPP Describe temperate forests -Trees are leafless in winter -Rai...

Animal Diversity, 8e (Hickman) Chapter 1 Science of Zoology and Evolution of Animal Diversity 1) A characteristic of science is that A) it is not explained by natural laws. B) its hypotheses are testable. C) its conclusions are final. D) it is not falsifiable. E) it seeks to define the vitalistic forces of life. Answer: B Section: 01.01 Topic: Principles of Science Learning Objective: 01.01 Explain that science consists in testing, possibly rejecting, and improving our simplest and be...