Biology 1500: Exam 1 mizzou Questions and Answers 100% Pass

Biology 1500: Exam 1 mizzou Questions and Answers 100% Pass Recognize dragonflies as formidable aerial and aquatic predators - one of first to fly, massive 3 ft wingspan, larvae live in water for 3+ years Identify dragonflies as ancient insects (when, what, why) - carboniferous (300-360 mya), a long time, have evolved over time, larvae fearsome predators bc of invisible mask that grabs things... first animals found 600 mya but all tiny marine so one of first bigger animals Identify huge body size as the outstanding characteristic of animals (including dragonflies) in the carboniferous - possible: more carbon, o2, prey was bigger, no predators, more energy demands, natural selection why: more o2 in air allowed to get bigger and no other predators in air Describe the life stages of dragonflies - egg> larvae> adult dragonfly Develop more than one hypothesis for why dragonflies were so big - 1. More oxygen in atmosphere during the carboniferous 2100% Pass Guarantee Sophia Bennett, All Rights Reserved © 2025 2. More prey available and less competition (less predators) 3. Large size helped them hunt? Evaluate these hypotheses based on your explorations in EarthViewer - -changes during carboniferous: o2 goes up in the carboniferous then decreases after Dragonfly size - -high O2 levels in carboniferous allowed them to grow big -later in history predators constrained the max size Rank the importance of team-working skills, content knowledge, communication skills, learning skills, ... for employers and graduate school admission - most: team-work least: content knowledge Recognize how the different components of the course contribute to your final class grade, in particular... - - the relatively small contribution of each individual test - the importance of the final exam as an opportunity to improve - how lab and discussion scores are combined for the "lab/Discussion" part of the final grade - why unexcused absences in discussions will significantly reduce your overall grade Memorize the major milestones in the early history of life on earth (up to 500 mya). - big bang - 13.7 bya 3100% Pass Guarantee Sophia Bennett, All Rights Reserved © 2025 earth formation - 4.6 bya life evidence (oldest fossils) - 3.8 bya Cyanobacteria (blue-green algae) - 2500 mya (2.5 bya) eurkaryotes - 2000 mya "Snowball" Ice Ages (entirely covered) - 750-600 my