the variety of all living things on Earth. B. the decomposers are numerous. Species Richness = the number of different species in a community Relative Abundance = the number of individuals in a species/the total number of individuals in a species. Biodiversity is the variability among living organisms, including terrestrial, marine, and other aquatic ecosystems. The sea star could be called a(n) ____. What is the largest human-caused threat to biodiversity? 1) protect species richness to maintain ecosystem functional diversity and enhance ecosystem function and stability 2) protect keystone species, which have greatest effects on overall ecosystem function 3) protect species with unique (specialized) functions, not easily replaced by other species A) Species diversity B) Ecosystem diversity C) Genetic diversity D) Species diversity, genetic diversity, and ecosystem diversity are all measures of biodiversity. Ecological Diversity- diversity of ecosystems… B. species diversity is low. The number of genes range from about 1000 in bacteria, up to … the many types of functional units formed by living communities interacting with their environments For example, a coral reef generally has a very great variety of life within it, a greater ecosystem diversity than say Antarctica, which is covered by a sheet of ice [17]. habitat loss, low genetic diversity, and human involvement. Which of the following is TRUE of isolation and extinction risk? In mature ecosystems A. most plants are annuals. Which of the following would be an economic benefit of biodiverse ecosystems? You see a bee pollinating a flower. Ecosystem Diversity. ecosystems, estuaries, alpine forests, and rocky shorelines has greater ecosystem diversity than does Kansas, which primarily consists of prairies, rivers, and lake ecosystems. Greater habitat diversity leads to greater species and genetic diversity. d. If conditions become unfavorable, both may crash. populations of the same species may be separated and would no longer be able to mate. why is biodiversity important quizlet, Biodiversity comes from two words Bio meaning life and diversity meaning variability. Which of the following is TRUE of the biodiversity on Earth? Linear science has set steps to follow and ends at some point. D. the food webs are simple. The number of genes range from about 1000 in bacteria, up to … In general, places with more varied terrain tend to have more ecosystems than places where topography is more homogeneous. Learn vocabulary, terms, and more with flashcards, games, and other study tools. Start studying Biodiversity Quiz. Abiotic factors, or the non-living components of an ecosystem… Nonlinear science lets you do what makes the most sense and is fluid, and also lets you build off of other people's work and suggestions. What is one major motivation for companies to source sustainably grown palm oil? Biodiversity has many benefits, including ____________. This can be seen through a variety of different measures, including species diversity and genetic diversity. habitat diversity: the range of different habitats in an ecosystem. Figure 7.1: Climate and non-climate stressors interact synergistically on biological diversity, ecosystems, and the services they provide for human well-being. Which type of diversity provides the raw material that allows populations to adapt to their environment? What is the MOST likely location of a biodiversity hotspot? Difference between 'reproduction' of fire and reproduction of life, Fire 'reproduces' by spreading around but life passes on genes and evolves, Variety of life in the world or an environment, Ecosystem Diversity - Different types of ecosystems organisms live in, like rainforests or coral reefs, 1) Ecosystems will be more stable, and if one collapses it harms people because they can lose a food source or resource, Number of species present in a sampled environment, How equal the numbers of defferent species in a sampled environment are. Biodiversity is important in a population because ____________. many different species, with one population being overrepresented in the ecosystem, Biodiversity at the community level is known as. Because temperature is an important aspect in shaping ecosystem diversity, it is also used in ecosystem classification (e.g., cold winter deserts, versus warm deserts) (Udvardy, 1975). E. there are few producers. Ecosystem diversity - The variety of ecosystems found on Earth. Trivia quiz On Bio-Diversity! High diversity among types of ecosystems means that there will also be a high diversity of species themselves. Humans depends on species to survive. Everywhere on the planet, species live together and depend on one another. An intertidal species of sea star helps to maintain the diversity of the intertidal region by controlling the mussel population. many different species, with one population being overrepresented in the ecosystem Biodiversity at the community level is known as ecosystem regulation and support services. An ecosystem that has greater species biodiversity contains more ecological niches. Ecologists will use more than one index to calculate the level of diversity. For example, a coral reef generally has a very great variety of life within it, a greater ecosystem diversity than say Antarctica, which is covered by a sheet of ice [17]. Learn vocabulary, terms, and more with flashcards, games, and other study tools. why is biodiversity important quizlet, Biodiversity comes from two words Bio meaning life and diversity meaning variability. Natural selection - The process in which better-adapted individuals - those with a combination of genetic traits better suited to environmental conditions - are more likely to survive and reproduce, increasing their proportion in the … What is NOT a cause of habitat destruction? Habitat fragmentation can be detrimental to species because ____________. 2 Ecosystems and Their Services EXECUTIVE SUMMARY An ecosystem is a dynamic complex of plant, animal, and microorganism com- munities and the nonliving environment, interacting as a functional unit. Ecosystem diversity is the variety of living organisms present within an ecosystem. deserts, tropical rainforests, taiga) Evolution. Each species is the repository of an immense amount of genetic information. Biodiversity includes diversity within species (genetic diversity), between species (species diversity), and between ecosystems (ecosystem diversity). Usually, the more diverse an ecosystem the healthier it is considered, which means it is more resilient to rapid changes in environment. They are less susceptible to extinction than other species. What is NOT an example of an ecosystem service? Succession is the process of change over time in an ecosystem involving pioneer, intermediate and climax communities. Most people are familiar with ecosystems in terms of where they are, that is, in terms of ecosystem distributions. Biodiversity and Ecosystem Stability Species Diversity- measure of the diversity within an ecological community. Start studying Biodiversity Quiz. Each species is specialized to a type of ecosystem in a particular place. This is the total number of species living in an ecosystem. A well-defined ecosystem has strong interactions among its components and weak interactions across its boundaries. An ecosystem with fewer species is more likely to thrive. High diversity among types of ecosystems means that there will also be a high diversity of species themselves. Increased species biodiversity is also known as species richness. This is an example of which ecosystem service? D. the efficiency of nutrient recycling is low. Choose from 500 different sets of ecosystem diversity flashcards on Quizlet. Biological diversity, or biodiversity, is the scientific term for the variety of life on Earth. the production of chemicals to manufacture medicines. Which of the following is NOT true of endemic species? Biodiversity underpins ecosystem functioning and the provision of ecosystem services essential for human well-being, it is a central component of many belief systems, world views and identities, it provides for food security, human health, clean air and water, and contributes to local livelihoods and economic Species - A group of more or less distinct organisms that are capable of interbreeding with one another in nature to produce fertile offspring but do not interbreed with other organisms. Hu-mans are an integral part of ecosystems. Species diversity looks at how genes vary within a species, while genetic diversity looks at the variety of ecosystems. Biodiversity is the variety of all living things; the different plants, animals and micro organisms, the genetic information they contain and the ecosystems they form. Biodiversity is a contraction of biological diversity. Plants, animals, and other organisms are sources of food, clothing, and shelter. 55. 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