Long periods of no change in the fossil record followed by periods of rapid change is called O punctuated equilibrium. O macroevolution. O gradualism. O microevolution.
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- Question 21 What is a transitional fossilP. a fossil that reveals links between groups of organisms a snapshot of an ancestral form fossils found between eras fossils of immature organisms that are not yet in adult form all of the aboveQuestion 24 Which term describes large-scale evolutionary changes including the formation of new species and new taxa? macroevolution coevolution adaptive radiation O microevolution directional selectionProof of Evolution (select the one that fits the best): O Fossil record, Biochemestry, vestigial structures and comparative anatomy O Fossil record, vestigial structures, analogous structures and lack of genetic diversity O Transitional fossils, vestigial structures, big bang theory and similar structures O Fossil record, the big bang, Biochemestry, similar genes in close related species
- Question 2 Which term refers to the evolution of similar traits in distantly related species? coevolution O adaptive radiation founder effect divergent evolution O convergent evolutionThe diversity of modern vertebrates was shaped in partby mass extinctions. The most severe extinction eventwe know of occured at the border between the Permianand Triassic periods about 250 million years ago. Anestimated 96 percent of the marine species and 70 percentof land species disappeared in what is sometimes called“The Great Dying.” The cause of this mass extinctionremains under investigation. Suggested causes includean asteroid impact, extreme volcanic activity, or a sudden release of carbon dioxide from deposits on the sea floor. Which groups of vertebrates were present when this mass extinction event occurred? Which evolvedafterward?Many fossils existed in one layer of rock, but not in others from different time periods and this fossil record separated by rock layers was a map showing that life has changed over time. Principle of Superposition O Principle of Hardy-Weinberg O Principles of Evolution O Principle of Natural Selections O None of the above
- EVOLUTION CONNECTION The fossil record indicates that therehave been five mass extinction events in the past 500 millionyears (see Concept 25.4). Many ecologists think we are on theverge of entering a sixth mass extinction event. Briefly discussthe history of mass extinctions and the length of time it typicallytakes for species diversity to recover through the process ofevolution. Explain why this should motivate us to slow theloss of biodiversity today.uestion 4 n Darwin's mind, the origin of species is inextricably linked to the extinction of species. Why? O New species are better adapted than older species. New species are much better predators than older species. New species kill off the old species. So as new species form, old species are killed off. O New species are better adapted than older species. New species outcompete older forms, causing them to go extinct. So as new species form, old species naturally disappear. O New species mate with older species. This mating merges the two species together. So as new species form, older species merge into them and disappear. O No answer text provided.Hom Apps | Services Sites Performance Matters | OLA A olamiami.performancematters.com/ola/ola.jsp?clientCode%3fIMiamiDade# Perrormance Matters Question 16 of 28 - O O Biology Unit 4 Assessment 2020-2021 Question: 1-16 cording to the fossil record, giraffes didn't always have long necks. Through time, they evolved to have long necks. What would be the best explanation for the longer necks? 15.13 O Certain traits can be favorably selected through time in a population if members of that population continuously breed with partners with the desired trait; thus, naturally "selecting out" those without the trait O Convergent evolution explains why giraffes have long necks O Divergent evolution explains why giraffes have long necks O The giraffe stretched its neck while reaching for higher leaves; as a result, its offspring inherited longer necks 5:30 PM 3/11/2021 O Type here to search End Dele Home
- What is a transitional fossil? Transitional fossils were poorly adapted to their environments. O Transitional fossils have features that are intermediate between ancestors and descendants. Transitional fossils only existed for a short period of time. A transitional fossil is in the middle of a direct lineage stretching from ancient forms to organisms alive todayWhat must be present in order for separate populations to be considered separate species? microevolution O relative fitness O reproductive isolation O fossilsThe concept of punctuated equilibrium [Select] [Select] explains why species change gradually over long periods of time explains why most species go extinct *Previous explains why land animals adapted ot land explains why deep sea fish have changea little over millions of years all of these