What is the relationship between extinction, its impact on biodiversity, and ecosystems? When a species becomes extinct, the vacancy of that species allows another species to invade and transform the ecosystem so there is no longer biodiversity, which allows the ecosystem to flourish. The extinction of plants and animals leaves a vacancy in the biodiversity of the ecosystem, which can cause the ecosystem to collapse. The extinct plants and animals can come back as a different species, creating more biodiversity within the ecosystem. The extinction of plants and animals does not have an impact on the biodiversity of an ecosystem.

What is the relationship between extinction, its impact on biodiversity, and ecosystems? When a species becomes extinct, the vacancy of that species allows another species to invade and transform the ecosystem so there is no longer biodiversity, which allows the ecosystem to flourish. The extinction of plants and animals leaves a vacancy in the biodiversity of the ecosystem, which can cause the ecosystem to collapse. The extinct plants and animals can come back as a different species, creating more biodiversity within the ecosystem. The extinction of plants and animals does not have an impact on the biodiversity of an ecosystem.

Human Biology (MindTap Course List)

11th Edition

ISBN:9781305112100

Author:Cecie Starr, Beverly McMillan

Publisher:Cecie Starr, Beverly McMillan

Chapter25: Human Impacts On The Biosphere

Section: Chapter Questions

Problem 2CT

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The Endangered Species Act (ESA) of 1973 has helped to slow the destruction of habitat and the loss of species in the United States. There are now many success stories of animals/plants that were on the edge of extinction and now are returning. Even with the success stories there are many who criticize ESA. I want you to give at least 2 examples (with explanation) that show the success and need for The Endangered Species Act. And give 2 reasons why ESA is still criticized after all these years.
What is happening to the forest of Madagascar and what is the outcome? Why is saving the biodiversity of Madagascar so important? Why does Australia have such an unusual variety of spiders? What are five reasons species are becoming extinct? What does it mean for a species to be extinct? Give an example How do invasive species travel or spread to a different ecosystem? Give an example. List and describe five examples of declining biodiversity five actions that individuals can do to help create and support biodiversity?
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One of the biggest threats to biodiversity is habitat loss and fragmentation. You have money to purchase 100 acres for a nature preserve and decide to purchase several, small tracts of land (rather than a single large tract). Which of the following statements would support this strategy? Small areas have relatively lower extinction rates than large areas. Several smaller preserves would help protect against a major disturbance. Smaller areas have a lower edge effect (circumference:area). Several smaller preserves would help protect very large species.
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Why can reduction in species biodiversity be a problem for an ecosystem, and what are two things that humans can do to preserve or increase species biodiversity?
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Fire creates disturbance in the temperate coniferous forest of the Pacific Northwest. Prior to the early 1900s, patchy, moderately intense, and moderately frequent fires created intermediate amounts of disturbance. Following the early 1900s, a policy of fire suppression greatly reduced fires, creating low disturbance. Today, hotter, drier, longer summers are creating extremely large, intense, and frequent fires, which cause severe disturbance. Which of the following most accurately describes how these levels of disturbance affect species diversity? O Low disturbance allows for the greatest species diversity, because all the organisms are allowed to thrive. Severe disturbance allows for the greatest species diversity, because it facilitates colonization by r-selected species. Moderate disturbance allows for the greatest diversity, because it allows both early and late successional species to exist within an ecosystem. Disturbance does not generally affect species richness. Severe…
Ecology and Biology: Shannon Diversity Index: Definition & Example The Shannon Diversity Index (sometimes called the Shannon-Wiener Index) is a way to measure the diversity of species in a community. Denoted as H, this index is calculated as: H = -Σpi * ln(pi) where: Σ: A Greek symbol that means “sum” ln: Natural log pi: The proportion of the entire community made up of species i The higher the value of H, the higher the diversity of species in a particular community. The lower the value of H, the lower the diversity. A value of H = 0 indicates a community that only has one species. The Shannon Equitability Index is a way to measure the evenness of species in a community. The term “evenness” simply refers to how similar the abundances of different species are in the community. Denoted as EH, this index is calculated as: EH = H / ln(S) where: H: The Shannon Diversity Index S: The total number of unique species What is the Shannon diversity index value for this community? What…
The biodiversity of the planet is rapidly being depleted. Scientists' efforts to monitor and protect biodiversity are being aided by a slew of new technologies and the volunteer work of ordinary citizens. To help scientists in their conservation work, new technologies have been developed. For example, Footprint identification technique (FIT) uses photo digitization to identify the footprints of large cats and other mammals, which will allow collection of data about these animals in a noninvasive manner. Other noninvasive data collection techniques include vocalization identification, drones, DNA analysis, and camera-trapping. Apps such as eBird and iNaturalist allow amateurs to record their observations in open-access online databases for further analysis. Smartphones and drones could be useful in collecting data to prevent poaching, although such technologies are in their infancy and still not widely available in developing countries. Remote sensing could be used to monitor changes in…
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	When a species becomes extinct, the vacancy of that species allows another species to invade and transform the ecosystem so there is no longer biodiversity, which allows the ecosystem to flourish.
	The extinction of plants and animals leaves a vacancy in the biodiversity of the ecosystem, which can cause the ecosystem to collapse.
	The extinct plants and animals can come back as a different species, creating more biodiversity within the ecosystem.
	The extinction of plants and animals does not have an impact on the biodiversity of an ecosystem.