Bio 182 exam 2 questions - Study guides, Class notes & Summaries

ASU BIO 182 EXAM 2 QUESTIONS WITH COMPLETE SOLUTIONS

Allopatric Speciation - - Do to geographic Isolation Mountaina At what level of life's organization does evolution take place at? Why can evolution not be at the level of the individual (what does an individual lack that must be present for evolution to take place)? - evolution you must have variation and an individual does not have variation in a single trait. Be able to explain and put in a time frame some of the major episodes in the history of life on earth. (The clock analogy) - -13....

ASU BIO 182 EXAM 2 QUESTIONS WITH COMPLETE SOLUTIONS 2024 asexual reproduction - -directing cells to divide and develop into new tissues and organs without a partner sexual reproduction - --takes more time and energy than asexual reproduction -genetically diverse offspring -requires fertilization -requires haploid gametes -mating most plants and animals produce_______ - -gametes called eggs and sperm Meiosis - -nuclear division that forms haploid cells Meiosis I - -diploid cells divid...

Bio 182 Exam 2 questions and answers complete and verified 100%Bio 182 Exam 2 questions and answers complete and verified 100% Natural Selection - correct answers-process in which some individuals in apopulation survive and reproduce whileothers do not What does natural selection do? - correct answers-Removes traits that are less suited for living in acurrent environment• Amplifies the presence of traits that are bettersuited for living in the current environment Conditions of NaturalSele...

Green Algae____________ called charophytes are the closest relatives of land plants. Land plants share four key traits with only charophytes• Rings of cellulose-synthesizing complexes • Peroxisome enzymes • Structure of flagellated sperm • Formation of a phragmoplast SporopolleninIn charophytes a layer of a durable polymer called _____________ prevents exposed zygotes from drying out Sporopollenin______________ is also found in plant spore walls Four key traits appear in n...

Head in the Clouds Giraffes are the tallest animals on land. An adult giraffe has a neck that exceeds 2 m in length. This neck enables a giraffe to access food that other animals cannot reach and detect predators from a long distance. Studies have shown that giraffes will browse trees at heights that other herbivores cannot reach. The water and nutrients gained from leaves enhance a giraffe's fitness by increasing survival and reproduction. However, a long neck comes with a cost: the heart m...

BIO 182 Exam 2 Questions & Answers 2023 In a simple Mendelian monohybrid cross, true-breeding tall plants are crossed with short plants, and the F1 plants, which are all tall, are allowed to self-pollinate. What fraction of the F2 generation are both tall and heterozygous? a. 1⁄8 b. 1⁄4 c. 1⁄3 d. 2⁄3 e. 1⁄2 e. 1⁄2 The phenotype of an individual a. depends at least in part on the genotype. b. is either homozygous or heterozygous. c. determines the genotype. d. is the ge...

BIO 182 Exam 2 Questions And Answers 100% How many modes of selection are there? 3 What are the modes of selection? Stabilizing selection, directional selection, and disruptive selection Stabilizing Selection The mean of the trait remains similar over time but the standard deviation decreases Directional Selection The mean phenotype shifts in a particular direction Disruptive Selection The standard deviation of the trait increases as individuals with the mean value disappear. Stabil...

BIO 182 Exam 2 Questions with Correct Answers In a simple Mendelian monohybrid cross, true-breeding tall plants are crossed with short plants, and the F1 plants, which are all tall, are allowed to self-pollinate. What fraction of the F2 generation are both tall and heterozygous? a. 1⁄8 b. 1⁄4 c. 1⁄3 d. 2⁄3 e. 1⁄2 - Answer-e. 1⁄2 The phenotype of an individual a. depends at least in part on the genotype. b. is either homozygous or heterozygous. c. determines the genotyp...

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