you are a scientist studying the evolution of animals, what is the best approach you can use for analysis? analyzing behaviors of living animals with a common ancestry analyzing embryos and skeletons of animals of the same species
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analyzing behaviors of living animals with a common ancestry
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analyzing embryos and skeletons of animals of the same species
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analyzing DNA sequences and embryonic development
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analyzing the the fossilized remains of animals from different time periods
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- What characteristics are UNIQUE to animals - no other organisms have them? Check all that apply. For ones that are NOT unique, mention organismal groups that also have them. Group of answer choices 1-Has tissue 2-Multicellular 3-Has muscles 4-Develops through gastrulationPick 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 limbsUsing various resources such as your school Library or the internet and discussions with your teacher, trace the evolutionary stages of any one animal, say horse.
- What are the two ways of finding the age of a fossil? Describe how relative dating works. What does absolute dating do? Why is the element carbon-14 important for paleontologists? . Developmental Biology - Embryology Many scientists use what an organism looks like as an embryo, or embryology, as evidence for evolution. The embryos of most vertebrates look very similar and have similar structures. For example, fish, bird, rabbit, and human embryos are similar in appearance in early stages. They all have gill slits and a tail with muscles to move it. Later as the embryos develop, they become less and less similar. What does the study of embryology show when comparing most vertebrates?Which method provides the most accurate evidence for scientists to use when determining evolutionary relationships between two species of animals? identifying fossil patterns in rock strata where the animals live looking for similarities in the coloration and eating habits of the animals looking for similar vestigial structures in both species of animals comparing genetic sequences in the animals using samples of DNA 0000.4. If Table 1 were used to name Amphibian A and Amphibian B from Table 2, at which step would the naming efforts first diverge? F. Step 1 G. Step 2 H. Step 3 J. Step 4
- Use the dichotomous key to identify the organism below. DINOSAUR DICHOTOMOUS KEY go to step 2 go to step 3 1. Walks on 4 legs. Walks on 2 legs Has a long neck. Has a short neck go to step 4 go to step 5 2. go to step 9 go to step 10 3. Mouth is open.. Mouth is closed Body is 2 colors Body is 1 color. Apatosaurus Brontosaurus go to step 6 go to step 7 5. Nose horn absent.. Nose hom present.... * Spikes only on top ridge of back..... Spikes are all over back.. Stegosaurus go to step 8 6. Feather-like protrusions on skull. StyracosauruS Controsaurus 7. One hom on top of skul Tall club is shaped like a circle Tall club is shaped like a heart 8. Ankylosaunus Crichtonsaurus Spikes on head... No splkes on head 9. go to step 11 go to step 12 10. Large fan-shaped bones on back Wuerhosaurus go lo step 13 No tan-shapped bones on bock 11. Teeth are visible Teeth are not Visible Tyrannotitan Camotaurus 12. Toes are visible Toes are not visble.. * Tyrannosaurus Rex Spinosaurus. 13. Spotted patten on…Taphonomy is: Group of answer choices the organization of animals into categories the study of bones and bone growth No answer text provided. the study of preservation and fossilization of animal or plant remainsWhich of the following shared characteristics of living birds and theropod dinosaurs provided support to the hypothesis that birds evolved from dinosaurs? Check all that apply. Group of answer choices 1-birds and many theropods have a wishbone (or furcula) 2-all birds and theropods could fly 3-like theropod dinosaurs, birds have long, bony tails under their feathers 4-birds and theropods have hollow bones that are strong, but light 5-birds and many theropods have feathers
- Which of the following is a correct statement about the evolutionary relationships among vertebrates? Group of answer choices Mammals are more closely related to amphibians than amphibians are to snakes Mammals and snakes are more closely related to each other than either are to amphibians Crocodiles are more closely related to lizards than they are to birds Birds are more closely related to mammals than they are to crocodileswhy is it that higher forms of animals are bilaterally symmetrical? provide scientific explanations. please do not copy from google or other answers or i will downvoteA transitional fossil with traits intermediates between turtles and crocodilians Fossil evidence that the carapace (shell) of turtles is an exaptation Ankle bones from extinct turtles More DNA data from living turtles All of the options