Bilateria .

A. fungal cellsB. Morphological characteristics may evolve multiple times, and independently, through evolutionary history. ... A phylogenetic tree of animals shows the evolutionary relationships among the animals based on the similarities and differences in their characteristic features. Phylogenetic trees are most-commonly used to depict the relationships that exist between species. Parazoa does not constitute a clade. The placement of this new phylum remains disputed, but scientists agree that with sufficient molecular data, their true phylogeny will be determined.Scientists are interested in the evolutionary history of animals and the evolutionary relationships among them. fungal cellsB.
For example, a previously classified group of animals called lophophorates, which included brachiopods and bryozoans, were long-thought to be primitive deuterostomes.

Due to morphological similarities in their segmented body types, annelids and arthropods were once thought to be closely related.
As with the emergence of the Acoelomorpha phylum, it is common for ____ data to misplace animals in close relation to other species, whereas ____ data often reveals a different and more accurate evolutionary relationship.A. Which of the following is thought to be the most closely related to the common animal ancestor? The ongoing discussion concerning the location of sponges and comb jellies on the animal “family tree” is an example of what drives science forward.Scientists are interested in the evolutionary history of animals and the evolutionary relationships among them. What is the benefit of doing SDSPAGE?Why does a stars life expectancy depend on its mass?List some factors influencing the biocompatibility of materials and explain how those factors are related to ch...How many nodal surfaces through the nucleus (planar nodes) are associated with each of the following atomic orb...Answers to all problems are at the end of this book. These two clades now make up the protostomes.Another change to former phylogenetic groupings because of molecular analyses includes the emergence of an entirely new phylum of worm called Acoelomorpha.

The tentacles are part of a feeding structure called a lophophore. The details of the modern phylogenetic tree change frequently as new data are gathered, and molecular data has recently contributed to many substantial modifications of the understanding of relationships between animal phyla.Consulting the modern phylogenetic tree of animals, which of the following would not constitute a clade?Which of the following is thought to be the most closely related to the common animal ancestor?As with the emergence of the Acoelomorpha phylum, it is common for ____ data to misplace animals in close relation to other species, whereas ____ data often reveals a different and more accurate evolutionary relationship.Describe at least two major changes to the animal phylogenetic tree that have come about due to molecular or genetic findings.Two new clades that comprise the two major groups of protostomes are called the lophotrochozoans and the ecdysozoans. These two clades now make up the protostomes.Another change to former phylogenetic groupings because of molecular analyses includes the emergence of an entirely new phylum of worm called Acoelomorpha. These data come from a variety of molecular sources, such as mitochondrial DNA, nuclear DNA, ribosomal RNA (rRNA), and certain cellular proteins. bacterial cells3. The mitochondrial genome of the Ctenophores is small and lacks many genes found in other animal mitochondrial genomes. A. deuterostomesB. Deuterostomes and Protostomes called the Lophotrochozoa and the Ecdysozoa form the clades of the Eumetazoa.Bartleby provides explanations to thousands of textbook problems written by our experts, many with advanced degrees!Biology: The Unity and Diversity of Life (MindTap Course List)Human Heredity: Principles and Issues (MindTap Course List)Biology: The Unity and Diversity of Life (MindTap Course List)Physics for Scientists and Engineers: Foundations and ConnectionsPhysics for Scientists and Engineers, Technology Update (No access codes included)Introductory Chemistry: An Active Learning ApproachChemistry for Today: General, Organic, and BiochemistryNutrition: Concepts and Controversies - Standalone book (MindTap Course List)General Chemistry - Standalone book (MindTap Course List)Physics for Scientists and Engineers with Modern PhysicsHorizons: Exploring the Universe (MindTap Course List)Oceanography: An Invitation To Marine Science, Loose-leaf VersinNutrition Through the Life Cycle (MindTap Course List)The first land plants were ___ . With the advancement of molecular technologies, modern phylogenetics is now informed by genetic and molecular analyses, in addition to traditional morphological and fossil data. There are three main sources of data that scientists use to create phylogenetic evolutionary tree diagrams that illustrate such relationships: morphological information (which includes developmental morphologies), fossil record data, and, most recently, molecular data.

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