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- n. Scientists have found one new fossil that is similar to Archaeopteryx. It is only the second fossil of its kind. It shows an animal that had a long-feathered tail and small teeth, like non-avian dinosaurs. But the animal also had flight feathers and wings, like modern birds. The fossil also shows a fused clavicle bone, which confirms the relationship between birds and dinosaurs because they are the only two groups with this characteristic. What is true about this scenario? It shows evidence of evolution. It shows evidence of widespread expression. It shows evidence of climate change. It shows evidence of causation.Which of the following characteristics are indicative of primates only? homodont teeth post-orbital bar/closure heterodont teethReading a Phylogenetic Tree Use the tree below to answer the questions. A Cladogram Fig. 12.1 LANCELET LAMPREY GROUPER SALAMANDER TURTLE WOLF HAIR AMNIOTIC EGGS FOUR LEGGED LOCOMOTION JAW BONES VERTEBRAL COLUMN Which organism(s) on this tree have jaw bones: lancelet grouper salamander lamprey wolf turtle O O
- What is the best evidence that Monotremes are a transitional taxon between reptiles and other mammalian groups? O A. they have fur, have mammary glands without nipples, have a cloaca and lay leathery eggs. O B. They have poison glands like a snake, have a tough beak, have web-feet like a beaver, and give birth to live young. O C. their reproducive tract resembles a kangaroo's but they lay eggs and lack a marsupial pouch O D. they have fur, lay eggs but don't suckle their youg as they lack mammary glands, and appear in the fossil record before the placental mammals. 11:52 Al 12/16/202 ere to search End F10 PgUp PF11 F12 PrtScn Home F9 DII F5 F7 F6 F4 F3 F2 F1 & %3D 23 2$ 9. 7 3 4 W J K L S D F C V .. .- * COPick two organisms from the cladogram below and make a claim about the evolutionary relationship between these organisms. Support your claim using evidence from the lesson and scientific reasoning about evolutionary relationships. Ray-finned fish Rodents Sharks Amphibians Primates & rabbits Crocodiles Birds Hair Eggs with shell Amniotic egg Four limbs Bony skeleton Vertebrae Image Source a relationship betwwen a shark and bird is a bony skeleton amitotic egg and four limbsFrom the tree below, what can be inferred about the relationship between placentals, marsupials, and monotremes? 4 Placentals Marsupials Monotremes Squamate reptiles. The exact relationship among them is unclear Placentals are more closely related to marsupials than they are to monotremes. These groups have not evolved any differences from each other. The three groups are all equally related to each other.
- Hagfish Salamander Lizard Perch Mouse Chimp Pigeon Feathers Fur; mammary glands Claws or nails ungs Jaws Fig. 1. Cladogram on some vertebrates Related questions: 1. What is the synapomorhpy shared by the mouse and chimpanzee? Answer: 2. Specify the apomorphy of the pigeon. Answer: 3. Jaw is present to what taxa? Answer:All of the following are traits of vertebrate species, EXCEPT: The presence of a dorsal nerve cord. The presence of gill slits. The presence of a notochord. The absence of a backbone. The presence of a muscular tail exiting beyond the anus. All of the answers are traits of vertebrate species.What term should we use to decribe the evolution of body types in the Anole lizards? Homologous Analogous Synapomorphic Plesiomorphic It's not Plesiomorphic
- Which type of primate is associated with these traits: sectorial complex, Y-5 or bilophodont molars, and postorbital closure. Group of answer choices Cercopithecoid Platyrrhine Hominoid StrepsirrhineExplain how a cladistic classification for the vertebrates produces important regroupings of the traditional vertebrate taxa (refer to Figure 23.2). Why are Agnatha and Reptilia, as traditionally recognized, inconsistent with cladistic principles?Imagine if centaurs were real. Make a Cladogram (Evolutionary Origin) showing its closest relatives (most shared characteristics) and where modifications evolved.