Asu bio 182 exam - Study guides, Class notes & Summaries

Bio 182 ASU Exam 1 (1)

BIO 182 Exam 1-ASU Questions With Complete Solutions. how many species live in planet Earth? unknown-roughly 3 to 5 million why is life so incredibly diverse, yet so strangely similar? organisms can contain similar features. planes have wings, birds have wings-this feature is useful for different things (different for penguins, pelicans, bats, eagles) true or false: biodiversity on earth will likely decrease in the near future? true or false: scientists believe in evolution even though t...

asexual reproduction correct answer: directing cells to divide and develop into new tissues and organs without a partner sexual reproduction correct answer: -takes more time and energy than asexual reproduction -genetically diverse offspring -requires fertilization -requires haploid gametes -mating most plants and animals produce_______ correct answer: gametes called eggs and sperm Meiosis correct answer: nuclear division that forms haploid cells Meiosis I correct answer: di...

What does it mean when resources are described as patchy? correct answer: They are limited What is the engineering concept used to explain how organisms should forage? correct answer: Optimization model is benefit - cost Examples of resources correct answer: Food, water, mates, shelter, oxygen, CO2, nutrients, heat T or F: An organism should spend more time feeding in a patch when the average distance between patches is smaller correct answer: False T or F: An organism spends mor...

What is a resource? correct answer: Any substance an organism requires to survive or reproduce. Ex) food, water, mates shelter, nutrients, oxygen/co2 What factors determine prey choice? correct answer: Energy content, encounter rate, handling time, search cost Profitability correct answer: (energy / handling time) animals = high profitability fruits/veggies = low profitability Why not grow to largest population size possible? correct answer: • Many die before having chance to re...

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ASU BIO 182 Exam 1: Questions And Answers (Verified)

Which group is not a population? correct answer: all four groups are populations How would you estimate the number of whales in a population? correct answer: mark and recapture What is a population? correct answer: a group of individuals of the same species living in the same area at the same time True or False? Sampling quadrats would be the better method for estimating the number of whales in a population. correct answer: false True or False? Mark and recapture would be the bet...

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ASU BIO 182 Exam 2 Questions with Verified Answers. 1 / 27 1. How many modes of selection are 3 there? 2. What are the modes of selection? Stabilizing selection, directional selection, and disruptive selection 3. Stabilizing Selection The mean of the trait remains similar over time but the standard deviation decreases 4. Directional Selection The mean phenotype shifts in a particular direction 5. Disruptive Selection The standard deviation of the trait increases as individuals with the...