Biology
12th Edition
ISBN: 9780134813448
Author: Audesirk, Teresa, Gerald, Byers, Bruce E.
Publisher: Pearson,
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Chapter 19.4, Problem 2CYL
Summary Introduction
To explain: The reason why it is difficult to estimate the accurate species on the Earth.
Introduction: A group of individuals that have similar traits and are capable of interbreeding among themselves to produce fertile offspring are known as species. Species is the principal taxonomic unit, and it is denoted by the Latin binomial, ranking below the genus.
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Based on the current species discovery rates, scientists estimate that:
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Chapter 19 Solutions
Biology
Ch. 19.1 - Analysis of human chromosome 2 revealed that it...Ch. 19.1 - Origin of a Killer Analysis of nucleotide...Ch. 19.1 - explain why scientific names are necessary?Ch. 19.1 - describe the type of similarities that...Ch. 19.1 - Prob. 3CYLCh. 19.2 - Prob. 1TCCh. 19.2 - Prob. 1CYLCh. 19.2 - explain how scientists discovered that prokaryotes...Ch. 19.3 - Prob. 1HYEWCh. 19.3 - Prob. 1CYL
Ch. 19.3 - Prob. 2CYLCh. 19.4 - Prob. 1CYLCh. 19.4 - Prob. 2CYLCh. 19.4 - Prob. 1CTCh. 19 - Prob. 1MCCh. 19 - To be informative for reconstructing the phylogeny...Ch. 19 - Prob. 3MCCh. 19 - In modern systematics, classifications are...Ch. 19 - Which of the following includes all the domains...Ch. 19 - Prob. 1FIBCh. 19 - Prob. 2FIBCh. 19 - In Linnaean classification, the eight major...Ch. 19 - Systematists determine the evolutionary...Ch. 19 - Prob. 5FIBCh. 19 - The number of named species is about ________, but...Ch. 19 - What contributions did Linnaeus and Darwin make to...Ch. 19 - Prob. 2RQCh. 19 - What techniques might you use to determine whether...Ch. 19 - Only a small fraction of the total number of...Ch. 19 - In England, daddy longlegs refers to a long-legged...Ch. 19 - Why are species designations of asexually...Ch. 19 - Applying the Concepts The pressures created by...Ch. 19 - Applying the Concepts 2. During major floods, only...Ch. 19 - Consider the following list of groups: (1)...
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- How many species of plants and animals have been described by IUCN in 2004? What is global species diversity according to Robert May?arrow_forwardEcologists use a rank-abundance curve to display relative species abundance, which is a component of biodiversity. It can also be used to demonstrate species richness and evenness. Figure 1 shows the rank- abundance curve for caddisflies (Order Trichoptera) of two aquatic habitats in northern Portugal (data from L.S.W. Tera). Pollution of streams, on the other hand, reduces the diversity of Trichoptera and several other groups of stream insects, reducing both species richness and species diversity. Interpret why those happened. These rank-abundance curves show that the mountain stream caddisfly community has higher species richness and greater species evenness. 0.1 - Mountain stream 0.01 Greater richness and species evenness 0,001 Coastal ponds 0.0001 20 40 60 80 Abundance rank Figure 1: Rank-abundance curve for caddisflies (Order Trichoptera) of two aquatic habitats in northern Portugal (data from L.S.W. Tera). Proportional abundancearrow_forwardWrite a list of the following taxonomic categories in order from most inclusive to least inclusive: genus, order, domain, family, phylum, species, kingdom, class.arrow_forward
- Using the phylogenic tree below, answer the following questions: 1 -Species A -Species B -Species C -Species D -Species E -Species F Which species will shares only one characteristic with the others? Which numbered location identifies characteristics shared by Species E and F? Which species will share characteristics similar to those at location 3? Which numbered location indicates a common ancestor of all the species on the tree?arrow_forwardexplain why the number of described species is much lower than the actual number?arrow_forwardWhat is the study of the past and present day distribution of organisms called?arrow_forward
- briefly explain why there is species variation?arrow_forwardPlease explain why you decided to pick an answer choice. Explain your reasoning/rational/logic for choosing the answer choice. Question: Which of the following hypothetical islands would likely have the greatest species richness? Group of answer choices A) Not enough information given B) a large island far from the mainland C) a large island near to the mainlandarrow_forwardFor the the organisms Orchard Spider and Allies What is the geographic distribution of each species? Is it native or invasive? indicate where it is native and if it is not native, indicate where its native range is. Write a short description of each organisms’ life history (no more than three sentences for each one). Life history facts include diet, behavior, breeding, habitat etc. After reading about the life history of the three species you are focusing on it should be relatively simple to isolate what you find most interesting about them. Write a short description about what you find most interesting about all three species you are focusing on (no more than four sentences for each species).arrow_forward
- According to the data table, which shows the number of differences in DNA for a small gene, which two species are most closely related? Number of Differences in DNA for 4 Species A B A 8 5 B 5 O species A and species C species B and species C O species C and species D O species A and species Barrow_forwardHow is a species identified by name? A one-part name with the genus A one-part name with the species names A two-part name with the genus and the species names A two-part name with the species names and the genusarrow_forwardmake phylogenic Tree of the enumerated species, The species are: Frog, Milkfish, Crab, Shrimp, Jellyfish, Starfish, Coral, Sea urchin, Snake, Chickenarrow_forward
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