Describe one important anatomical difference between early gnathostome skulls and modern actinopterygian skulls, and explain or speculate as to the functional consequences of that anatomical difference.
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Question:-
Describe one important anatomical difference between early gnathostome skulls and modern actinopterygian skulls, and explain or speculate as to the functional consequences of that anatomical difference.
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- Question: All members of Chordata have true vertebrae. True or False?Please label the frog skeleton accordinglySpecimen 4: Sexually Dimorphic Cranial Morphology Sex Estimation Select the cranial feature variants that you observe in this specimen below. Be sure to select all that apply. Group of answer choices larger, more pronounced mastoid process less pronounced mastoid process supraorbital torus (browridge) is larger and more pronounced supraorbital torus (browridge) is less pronounced or absent palate is deeper palate is more shallow
- 11 Equus (modern horse) Pilohippus Merychippus Mesohippus Eohippus (Dawn Horse) Source: http://www.iq.poquoson.org 1. What is the biggest change in skull anatomy that occurred from the dawn horse to the modern horse? 2. What is the biggest change in leg anatomy that occurred from the dawn horse to the modern horse? 3. Give two similarities between each of the skulls that might lead to the conclusion that these are all related species.INSTRUCTION: - Answer the question properly - Discuss your answer - Do not copy in Google or here in Bartleby. Construct your own answer. Figure 1: The phylogenetic tree of the Mysticeti. QUESTION: 1. Refer on the figure. What morphological traits does the new fossil, Janjucetus hunderi, share with the extant odontocetes?humerut B.1 Shown on right are images of the skeletal structure of the front limbs of 6 animals: human, crocodile, whale, cat, bird, and bat. Each animal has a similar set of bones. Highlight each of the bones according to this key: adut -carpal • Humerus-Yellow • Ulna- Blue • Radius- Orange Carpal- Pink • Metacarpal- Green • Phalanges- Red -meacarpe whale Docode -shalangen hunan bird bat
- Rodentia skull and dentition characteristics: For each Order of Mammalia in this lab, describe the skull characteristics. Be sure to note if incisors (upper/lower), canines, premolars and molars are present. Also note special features of molar teeth in the bobcat and the mule deer. If it’s easier to instead do this on the field guide with an annotated picture of each skull type, that works too – just note that here.Question: Craniata includes animals within Chordata that have a skull. True or False?INSTRUCTION: - Do not copy on Google or here in Bartleby - Answer the question properly Figure 1: The phylogenetic tree of the Mysticeti. Question 1. Refer to Figure. What morphological traits does the new fossil, Janjucetus hunderi, share with the extant odontocetes? Please refer your answer on the image provided.
- Using the 3-D models and list of cranial traits, describe the general cranial morphology for H. neanderthalensis. Be sure to describe at least three cranial traits of H. neanderthalensis (i.e., skull size/morphology, prognathism, occipital anatomy, forehead, or dentition). (Minimum of 2 complete sentences.)B. ANALOGOUS STRUCTURES DIRECTIONS: Study and compare the butterfly wing and the bird wing below. Then answer the questions that follow. 1. What function do these structures share? butterfly wing bird wing 2. How do these structures differ? Give two (2) specific differences. 3. Do these animals share any structural similarities inside their wings that would suggest they are closely related? Explain your answer.B.4 Below are some vestigial structures found in humans. For each, hypothesize what its function may have been. Structure Possible function 1. Appendix 2. Wisdom teeth 3. Tailbone Give examples of the following aside from what was already mentioned: 1. Homologous structures: 2. Analogous structures: 3. Vestigial Structures: