RetreatingglacierInsects,bats, birds iMore speciesmove inIncreasingbiodiversityLichen,moss, grass-Time15 years35 years80 years115+ yearsNatural orhuman-caused IIncreasingbiodiversityEcosystem mayor may notrecover backto originalcommunityMore speciesmove indisturbance -part of originalcommunityremainsTime3 years5 years40+ yearsStudy the images, then label each as primary succession or secondary succession. How is eachtype of succession different than the other? Use the details provide in each photo in youranswersDifferences

Succession is defined as a change in structure;Species composition of vegetation over area with the…

Answered: Study the images, then label each as…

Biology: The Unity and Diversity of Life (MindTap Course List)

15th Edition

ISBN:9781337408332

Author:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Publisher:Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr

Chapter48: Human Impacts On The Biosphere

Section: Chapter Questions

Problem 3CT

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This kettle lakeformed 14,000 yearsago when a glacierthat covered thesurrounding areamelted. Initiallydevoid of animallife, over time thelake was colonizedby invertebratesand other animals.Hypothesize howmutation, naturalselection, geneticdrift, and gene flowmay have affectedpopulations thatcolonized the lake.
The Gulf of St. Lawrence is home to the beluga whalesThere once were thousands of belugas in this popula tion, but now there are fewer than 1000 whales. High levels of organic chemicals have been found in the bod ies of dead whales. Describe how bioaccumulation and biomagnification have contributed to harmingthe be luga whales.
Insects are the largest group of animals on Earth. Insectdiversity is greatest in the tropics, where habitat destructionand species extinction are occurring at an alarming rate.What biological, economic, and ethical arguments can youadvance to persuade people and governments to preservethis biological diversity?
The number of named species is about______________, butthe actual number of species on Earth is estimated to beabout ______________ or higher.
Australian researchers removed a parasitic plant called mistletoe froma forest and observed the consequences. During the 3-yearexperiment, over 30% of the insect and bird species disappeared fromthe mistletoe-free forest. Another forest in which no mistletoe wasremoved saw no change in species diversity. What might the biologistsconclude from these data?
Perhaps 98 percent to 99 percent of all species that have ever existed areextinct. Nearly all went extinct long before humans arrived on the scene. Whyshould we be concerned about the extinction of organisms today?
SBI3U1 Evolution Unit: 1. Describe factors that can cause environmental change:
The long-leaf pine forest ecosystem once extended across 95 million acres of the southeastern US. However only 5 million acres now remain. This refers to a large reduction ina. the species rangeb a metapopulationc a mega population
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.
The__________ defines the physical conditions under which a species might live, inthe absence of interaction with other species.a.functional nicheb.realized nichec.principle niched.fundamental nichee.primary niche
The type of physical environment in which a species typically lives is its _______. a. niche b. habitat c. community d. population
Explain how the three major types of deserts differin their climate and vegetation. Why are desert ecosystems vulnerable to long-term damage? How dodesert plants and animals survive? Explain how thethree major types of grasslands differ in their climateand vegetation. What is a savanna? Explain howsavanna animals survive seasonal variations in rainfall (Core Case Study). Why is the elephant an important component of the African savanna? DescribeTuy Sereivathana’s efforts to prevent elephants frombecoming extinct in Cambodia. Why have manyof the world’s temperate grasslands disappeared?Describe Arctic tundra and define permafrost?Explain how the three major types of forests differin their climate and vegetation. Why is biodiversityso high in tropical rain forests? Why do most soils intropical rain forests hold few plant nutrients. Whydo temperate deciduous forests typically have a thicklayer of decaying litter? What are coastal coniferousor temperate rain forests? How do most species…

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Study the images, then label each as primary succession or secondary succession. How is each type of succession different than the other? Use the details provide in each photo in your answers Differences