Mammalian species possess an amniotic, a character state also inferred to have been present in the ancestor they share with Reptilia. Thus, this shared homologous trait is a______________of Mammalia. Group of answer choices symplesiomorphy synapomorphy analogy homoplasy
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Animal Diversity
Nematodes are commonly known as roundworms. They are free-living, very tiny organisms. They have an elongated and tubular body. These organisms have a nervous system and are mostly act as parasites to both animals and plants.
Platyhelminthes
Platyhelminthes are also known as "flatworms" because as they are dorsoventrally flattened from head to tail. They are invertebrate, soft-bodied, acoelomate, unsegmented and have bilateral symmetry.
Mammalian species possess an amniotic, a character state also inferred to have been present in the ancestor they share with Reptilia. Thus, this shared homologous trait is a______________of Mammalia.
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- Please answer only A, B, C. I will repost this question for the rest. Include a brief explanation for each answer. Thank you very much :) The table below provides seven organisms differentiated with six simple characters (0 = absence, 1 = presence). For your convenience, a slanted cladogram of their relationship is also provided below the table. Identify which character is/are: A. Autapomorphic: B. Synapomorphic: C. Apomorphic: D. Pleisiomorphic: E. Autapomorphic for lynx and chimpanzee: F. Synapomorphic for lamprey and shark:A similar trait that is found in two different species (ex. streamlined bodies, wings, etc). Whether this trait is homologous or analogous in these two species, and why or how.Whereas most sarcopterygiians are oviparous (lay eggs), some sharks have viviparity (live birth) similar to that seen in mammals. This shared characteristic is an example of _______. a homologous trait an analogous trait divergent evolution a synapomorphy an ancestral trait
- Using the terms listed below, answer all the parts to this question regarding the cladogram for the frogs Anatomy of a Cladogram Sympleisiomorphies—shared ancestral states Synapomorphies—shared, derived character states Autapomorphies—unique, derived character states Homoplasies—the result of parallel or convergent evolution where 2 or more organisms independently acquire the same character state (could be the result of a reversal—when, in a particular lineage, a character reverts from a derived back to an ancestral state). Similarity in appearance, but not origin. Monophyletic group—group of all descendants of a common ancestor Paraphyletic group—group of some, but not all, descendants of a common ancestor Polyphyletic group – group of individuals that descend from more than one common ancestor Polytomy—3 or more taxa emerging from a single node who do not share the most common ancestor Homologies—Similarities resulting from descent from a common ancestor Analogies - Similarities…Using the terms listed below, answer all the parts to this question regarding the cladogram for the frogs Anatomy of a Cladogram Sympleisiomorphies—shared ancestral states Synapomorphies—shared, derived character states Autapomorphies—unique, derived character states Homoplasies—the result of parallel or convergent evolution where 2 or more organisms independently acquire the same character state (could be the result of a reversal—when, in a particular lineage, a character reverts from a derived back to an ancestral state). Similarity in appearance, but not origin. Monophyletic group—group of all descendants of a common ancestor Paraphyletic group—group of some, but not all, descendants of a common ancestor Polyphyletic group – group of individuals that descend from more than one common ancestor Polytomy—3 or more taxa emerging from a single node who do not share the most common ancestor Homologies—Similarities resulting from descent from a common ancestor Analogies - Similarities…At the beginning of the Paleozoic era, animals underwent an adaptive radiation event, called the Cambrian explosion. During this relatively short span of geological time, the ancestors of most animal phyla arose. Classification of taxa at the rank of phylum is based largely on body plan, which is laid out during embryonic development. Answer the questions that follow: please answer all subquestions. What is one evolutionary novelty (phenotypic trait) that also contributed to the Cambrian explosion? Genetic and developmental mechanisms also contributed to the Cambrian explosion. Before the Cambrian, animals were small with simple body plans (g., sponges and jellyfish). By the end of the period, larger animals with complex body forms had evolved (e.g., arthropods and vertebrates). Did the following genetic mechanisms impact the evolution of body plan complexity? Provide a brief explanation for each answer. gene duplication events homeotic gene expression
- Please answer only D, E, F. THIS IS A REPOSTED QUESTION. ONE IS POSTED FOR A, B, C Include a brief explanation for each answer. Thank you very much :) The table below provides seven organisms differentiated with six simple characters (0 = absence, 1 = presence). For your convenience, a slanted cladogram of their relationship is also provided below the table. Identify which character is/are: A. Autapomorphic: B. Synapomorphic: C. Apomorphic: D. Pleisiomorphic: E. Autapomorphic for lynx and chimpanzee: F. Synapomorphic for lamprey and shark:True or False for the following: 1. The salamander lineage is a basal taxon. 2. Salamanders are a sister group to the clade containing lizards, goats, and humans. 3. Lizards are more closely related to salamanders than to humans. 4. Lizards are more closely related to goats than to humans. 5. Goats and humans are sister taxa.Lucy is a member of what species?a. Homo erectusb. Australopithecus afarensisc. H. habilisd. Paranthropus robustuse. None of these are correct.
- PROPOSE A SOLUTION FOR THESE PROBLEMS In the evolution divergence of Sardinella Tawilis, many issues are being addressed in studying this species. These issues are the following: Complexity of the study. Scientific name revisions. Taxonomy impedimen Lack of knowledge. Limited morphologiIcal dat Morphological characterization is not entirely robust. Unknown ancestor. Relationship of Sardinella tawiliswith sister-species Sardinella hualiensis.A polytomy of three taxa indicates three descendants evolved from their immediate common ancestor. True or FalseCompare H. heidelbergensis tools to Neandertal tool kits (match a-d with numbers 1-4) 1.H. heidelbergensis tools had the features like 2. Neandertal tools had features like3. H. heidelbergensis tools compare to: 4. Neandertal tools are most often called:a. Mousterian, but sometimes Chatelperronianb. Acheulian, but were made betterc. made of stone, similar to Acheulian technology, but sometimes made differently usisng the Levallois method.d. made of stone, but prefected in manufacture with a technique called the Levallois method and probably more specialized to hunt and skin.