Principles of Biology
2nd Edition
ISBN: 9781259875120
Author: Robert Brooker, Eric P. Widmaier Dr., Linda Graham Dr. Ph.D., Peter Stiling Dr. Ph.D.
Publisher: McGraw-Hill Education
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Chapter 47.2, Problem 1TYK
Summary Introduction
Introduction:
Biological diversity, biodiversity, is the variations in different species and the ecosystems in which these species survive. Biodiversity is studied in three stages, species diversity, genetic diversity, and ecosystem diversity.
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22. A ______________ is the combination of conditions and resources that allow a species to exist, grow, and reproduce in the presence of other species such as competitors and predators.
fundamental niche
ecological trade-off
niche complementarity
realized niche
Match the term with its corresponding definition by using the drop-down menu.
Community
Ecosystem
Population
Habitat
Species
A.
A group of populations living and interacting with each other in an area
B.
A group of organisms of the same species living in the same area at the same time
C.
A community and its abiotic (non-living) environment
D.
The environment in which a species normally lives
E.
A group of organisms that can interbreed to produce fertile offspring
Disturbancescan alter a community’s stable environmental conditions, also called its:a.frequency.b.intensity.c.heterogeneity.d.equilibrium.e.niche space.
Chapter 47 Solutions
Principles of Biology
Ch. 47.1 - In 1977, Rafael Guzman, a Mexican biologist,...Ch. 47.2 - Prob. 1TYKCh. 47.2 - Prob. 2TYKCh. 47.3 - Prob. 1CCCh. 47.3 - Prob. 2CCCh. 47.3 - Prob. 1BCCh. 47.3 - Prob. 1TYKCh. 47.3 - Prob. 2TYKCh. 47.3 - Prob. 3TYKCh. 47 - Prob. 1TY
Ch. 47 - Prob. 2TYCh. 47 - The idea that humans have an intimate love of...Ch. 47 - Prob. 4TYCh. 47 - Prob. 5TYCh. 47 - Prob. 6TYCh. 47 - Prob. 7TYCh. 47 - Prob. 8TYCh. 47 - Prob. 9TYCh. 47 - The American buffalo, Bison bison, is considered a...Ch. 47 - Prob. 1CCQCh. 47 - Prob. 2CCQCh. 47 - Prob. 3CCQCh. 47 - Prob. 1CBQCh. 47 - Prob. 2CBQ
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- Tumucumaque National Park ecosystem - organism adaptations: Please answer the two bullet points straight to the point like its a presentation slide. Pick one primary producer Pick one consumerarrow_forwardnd biodiversity of sites in their own community, students performed a leaf litter lab where leaf litterwas collected from two sites: one from beneath the trees in an organically managed, commercial landscapeestablished one year ago and one from beneath the trees in a nearby nature preserve that have not been trimmed ormanaged in over twenty years. The students hypothesized that there would be more insect biodiversity in the leaflitter at the nature preserve than at the managed site. The leaf litter from each site was placed into a funnel with alight shone on the top to drive any insects out of the litter. Species were collected in an alcohol-filled containerbelow the funnel, and the species were identified using magnifying lenses and a keyarrow_forwardBiodiversity decline leads to declines in ecosystem and functioning and ecosystem stability. Cite one natural process that can promote the diversity, ecological function and stability of an ecosystem.arrow_forward
- Another ecologist reported a diversity index value of 1.511 in a different community nearby the one you studied. This community is _ diverse than the one you calculated. Please see the attached image to get a better grasp of the question. How to Calculate Biodiversity and Ecology College Biology 2 Advanced Concepts Background Information In the Shannon index, p is the proportion (n/N) of individuals of one particular species found (n) divided by the total number of individuals found (N), ln is the natural log, Σ is the sum of the calculations, and s is the number of species... Species Evenness Species evenness takes into account the number of species and the relative abundance of species in a community. Several indices have been proposed. Two of the commonly used measures of evenness are the Shannon index (H) and the Simpson index (D). Question 2: What is the Shannon diversity index value for this community? What is the species evenness for this community?arrow_forwardWhich of the following is based on the interactions of species with their abiotic environment?a. genetic diversityb. landscape diversityc. ecosystem diversityd. biocultural diversitye. None of these are correct.arrow_forwardWhichstatement about organisms’ “niches” is false?a.The niche summarizes environmental factors influencing growth, survival,and reproduction of a species.b.The niche concept was developed by Joseph Grinnell and Charles Elton.c.The “fundamental” niche refers to physical, but notbiological, aspects of the environment.d.Interactions such as competition and parasitism may restrict the size ofan organism’s niche.e.In the laboratory, two species with identical niches are especially easyto maintain in a mixed culture.arrow_forward
- 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 nichearrow_forwardA realized niche describes the conditions of the environment in which a species is actually found, while a fundamental niche describes the potential environmental conditions tolerated by a species. True Falsearrow_forward[[]] Book of the Dead: The Species Declared Extinct in 2022 - What are the COMMON reason for these species to become extinct? - Choose at least 1 species listed and are they considered keystone species? Yes/No, why. []]]{[[arrow_forward
- Species richness refers to Group of answer choices a. number of species in a community b. how even in abundance the species in a community are c. extinction rate of species d. number of trophic interactions in a food web e. number of species plus evenness of numbers of individualsarrow_forwardEcology 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…arrow_forwardThere are two types of life strategies used by organisms to survive in their environment. 1. K-selected strategy - growth rate is near the carrying capacity 2. r-selected strategy - growth rate is near biotic potential Match the characteristices below to the life strategy they represent J-cruve Logistic Growth Long life span Few offspringarrow_forward
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