Ncsu bio 181 - Study guides, Class notes & Summaries

NCSU BIO 181 TEST 3 Questions and answers. VERIFIED. Rated A+ Green algae/ charophyceans - --Gave rise to first plants -multicellular -sexual reproduction that utilizes large eggs and smaller sperm. ancestral algae - --zygotic life cycle -haploid produces haploid eggs and sperm -after fertilized by a sperm the zygote is now diploid. -zygote immediately undergoes meiosis to produce haploid spores. They are released and divided by mitosis to form new algae. plants - --sporic life...

are small DNA molecules within a cell that are physically separated from chromosomal DNA and can replicate independently. They are most commonly found in bacteria as small, circular, double-stranded DNA molecules, although they are sometimes found in archaea and eukaryotic organisms. - ANSWER Plasmids Which of the following is not one of the basic body plans used to categorize animals - ANSWER Number of limbs I belong to a clade of tetrapod vertebrates that lay their eggs on land or retain...

Evolution - ANSWER The changing of an entity over a period of time Darwin - ANSWER Developed ideas on natural selection and heritable traits Origin of species - ANSWER Darwin's book written about his findings on the Galapagous Galapagos Islands - ANSWER Key location of Darwin's studies of natural selection; off the west coast of South America Finches - ANSWER Key species in Darwin's studies of evolution Mutation - ANSWER A base pair or set of base pairs on a strand of DNA are c...

What is ecology? - ANSWER the study of how organisms interact with each other and with their environment What are the 5 areas of ecological study? - ANSWER -Organismal: study of physiological, evolutionary, and behavioral mechanisms used by individual organisms to meet ecological needs -Population: how populations interact with their environment, how and why the # of individuals changes over time, the proportion of males to females, age of individuals, how likely they are to reproduce or die...

The idea that most speciation is slow and uniform is known as: - ANSWER Gradualism Darwin's work on the Galapagos Islands led him to derive all of the following concepts, EXCEPT - ANSWER . Inheriting acquired characteristics Correct People who are wealthy, and only marry people who are wealthy who have blond hair and blue eyes are practicing a form of _____ mating - ANSWER assortative To the west of Wallace's Line in Southeast Asia are organisms related to Asiatic species. To the east...

What is ecology? : the study of how organisms interact with each other and with their environment What are the 5 areas of ecological study? : -Organismal: study of physiological, evolutionary, and behavioral mechanisms used by individual organisms to meet ecological needs -Population: how populations interact with their environment, how and why the # of individuals changes over time, the proportion of males to females, age of individuals, how likely they are to reproduce or die (Charac...

BIO 181 Practice tests (NCSU Paciulli), Exam Questions and answers, Accurate. Latest Update. The heart structure that functions as the initial receiving chamber is the: - -Right atrium The most important factor in the return of blood flow back to the heart is __________. - -valves in the veins Gas and nutrient exchange between circulation and the tissues occurs at the: - -capillaries Specialized muscle tissue that sets the pace for the conduction of electrical signals throughout th...

BIO 181 Exam 3 NCSU Paciulli SS2, Questions and answers, VERIFIED. What is phylogeny? - -Evolutionary history of a species or group. What is the life classification scheme based on in the past? - -Ray (defined species) Linnaeus (Father of taxonomy, binomial nomenclature) How do you write the species to which humans belong? - -Homo sapiens (Italicized, first letter capital, second word isn't) What is a taxon? - -Group designated at any level of hierarchy. What is a taxa? - -Ide...

What is ecology? - the study of how organisms interact with each other and with their environment What are the 5 areas of ecological study? - -Organismal: study of physiological, evolutionary, and behavioral mechanisms used by individual organisms to meet ecological needs -Population: how populations interact with their environment, how and why the # of individuals changes over time, the proportion of males to females, age of individuals, how likely they are to reproduce or die (Characteri...