Seven sauropod dinosaurs of the same species (Apatosaurus ajax) from the same population in Montana have neck lengths of 7.3, 8.0, 7.7, 7.8, 8.3, 8.4, 7.9, and 8.0 meters. A different population of the same species from Utah has neck lengths of 8.0, 8.3, 8.3, 8.8, 8.1, 9.0, and 9.3 meters.  a) Calculate the mean, median and mode for each population.  b)  If wanted to compare data from the two populations, what type of graph would you choose and why?

Q: Birds are supposed to be the dinosaurs' closest relatives. List and explain five reasons why the…

A: Feathers, toothless beaked jaws, the laying of hard-shelled eggs, a rapid metabolic rate, a…

Q: Where on this cladogram would the derived trait of “robust skull and dental anatomy” be placed?

A: A cladogram is a graphical representation of phylogeny relationships between organisms in a tree…

Q: 7 In what regions of the world have Neanderthal bones been found? List at least one site in each…

A: Introduction The origin of life on earth can be traced back to 3.4 billion years ago, as we now…

Q: is estimated that of all the species that have ever lived, between 90% and 95% have become extinct.…

A: Horse belong to family equidae and they belong to class mammals.they are chacterised by the presence…

Q: Which of the following are homologous structures? Select all that apply.

A: The structures of different organisms can be similar to one another in two aspects - 1) Similar with…

Q: All of the following are taxonomic traits that distinguish mammals from the other vertebrates in the…

A: Mammals are a distinct group of animals within the Linnean taxonomy, characterized by several unique…

Q: When an organism shifts from a quadriped to a biped, over time what happens to the spine?

A: Quadriped are the animal which have four feet. four-footed, quadrupedal. Biped are the animal who…

Q: a description of the adaptation (what is the characteristic and how does it help this organism…

A: Since we only answer 1 question in case of multiple question, we’ll answer the first question as the…

Q: Compare the 3D skulls of H. heidelbergensis with H. erectus. Detail at least three cranial traits of…

A: The investigation of the 3D designs of old human species' skulls includes a blend of actual human…

Q: From the following 5 characters, characterise at least 2 key features of the  dinosaur teeth…

A: Character 1 (tooth shape): If the tooth is tapered, this suggests a change in piercing and gripping…

Q: Reset Help True The common ancestor of lamprey and lancelets had a vertebral column. False Leopards…

A: A cladogram is a  phylogenetic diagram that classifies organisms according to shared…

Q: 1. scapula tarsals sternum lumbar vertebra humerus innominate skull (cranium and mandible)…

A: Here is a further explanation of my answers above: The skeletal remains you presented consist of a…

Q: What are the distinctive characteristics of Rattus mindorensis in the following taxon: Family…

A: Rattus mindorensis is commonly known as Mindoro black rat. It is an endemic species of Philippines,…

Q: The species Canis Lupus (Gray Wolf) is most closely related to which of the animals listed: Dusicyon…

A: Introduction: In divergent evolution, two or more distinct species share a common ancestor from…

Q: Summarize the bones of the bird skeleton and its structural parts. Table 1. Summary of Avian…

A: Aves Aves is a taxonomic class including birds. Birds evolved from reptiles, as the…

Q: The following image is from a scientific publication by paleontologist Niel Shubin, who was part of…

A: Homologous structures such as organs or bones are the structures which posses similar anatomical…

Q: How will you describe the physical description of lion and tiger? Such as body as they muscular or…

A:

Q: Evolution on ecological time scales: insects Based on this graph, which of the following statements…

A: Golden rain tree insects feed on the seeds of the golden rain tree, chinaberry, and balloonvine…

Q: What is a vestigial structure? * A feature inherited from ancestors that has lots its original…

A: Introduction- some snakes have pelvic bones despite having no legs because they descended from…

Q: The discovery of Australopithecus afarensis (Lucy) was anatomically important because of what trait?…

A: Introduction The process of natural selection is used to change the characteristics of a species…

Q: alapagos nes Between 1973 and 1978, the population of ground finches (a type of small bird) on the…

A: Answer In 1973,1) The maximum length for the beak of birds was…

Q: a-Tiktaalik is a fish that lived 375 million years ago that grew to three metres long and had…

A: The study of evolutionary processes and speciation provides valuable insights into the mechanisms…

Q: Distinguish among the following members of genus Homo: H. habilis, H. ergaster, H. erectus, H.…

A: In evolution the Human evolution is one of the major evolutionary process in the history of primates…

Q: Which archaic Homo sapiens fossil has cut marks on its face, indicating a burial or ritual practice?…

A: Introduction The evolutionary process that resulted in the emergence of Homo sapiens as a distinct…

Q: Homologies Both mammals and birds are descendants of ancestral reptiles. Meaning, they both…

A: Analogous structures are biological structures with similar functions that arose independently in…

Q: Name the orders of specimens I through IV. Name one feature that specimen II shares with each of two…

A: Name the orders of specimens I through IV. Red kangaroo Mammalia  Hominini Three-toed Sloth…

Q: Create a dichotomous key from a kangaroo skull in comparison to the these skulls listed: Kangaroo…

A:

Q: From the following 5 characters, characterise at least 2 key features of the  dinosaur teeth…

A: the answer to the question in briefly Character 1 (Tooth shape): In the event that the tooth is…

Q: An individual’s skeletal remains were found displaying the following list of traits: Rounded eye…

A: Skeletal remains can provide valuable insights into an individual's ethnic origin and sex. By…

Q: Where were the earliest Homo erectus fossils found (not the first ones discovered)? How old are…

A: Homo erectus is also referred as the upright man. It was the first of our ancestors to have…

Q: What skeletal structures behind the mandibular arch in the dogfish appear to be homologous with the…

A: Dogfishes, belonging to the Order Squaliformes, are coastal sharks of 5 feet length. These species…

Q: Similar anatomical structures shared by related species are called. Palatial Structures O Homologous…

A: Anatomical features of several organisms are compared to understand structural similarities and…

Q: Using the 3-D models and list of cranial traits, describe the general cranial morphology for H.…

A: H. neanderthalensis is the extinct archaic  human species. These were known for using control fire…

Q: What is the expected evolutionary change in mean leg length due to selection on both wings and legs?

A: The traits which are genetically correlated do not evolve independently and hence here in such case…

Q: From the following 5 characters, characterise at least 2 key features of the  dinosaur teeth…

A: the answer for the question in briefly Character 1 (Tooth shape): In the event that the tooth is…

Q: Q#7: Locate where each of the 4 Homo spp. in the previous slide would be found on this graph. a) Is…

A: A small part of the intricate process of brain evolution and cognition is cranial volume. Although a…

Q: What can you infer about bats compared to other mammals? What do you conclude about the effect of…

A: Hibernation is an adaptation by organisms which helps in conservation of energy by remaining…

Q: Which of the following statements about Au. afarensis anatomy is most accurate? O a. Au. afarensis…

A: Australipithecus afarensis (Au. afarensis is an extinct species of australopithecine. These species…

Q: An anonymous fossil is found in Ulaanbaatar, as per the archaeologist the fossil is around 4000-5000…

A: The pelvis and the skull can both be used to identify sex. The female pelvis is prepared for…

Q: Radiometric dating and the cranial capacity measurements are back from the paleolab for the specimen…

A: Human evolution is defined as "the process by which humans evolved on Earth from now-extinct apes."…

Q: Summarize the bones of the bird skeleton and its structural parts. Table 1. Summary of Avian…

A: Vertebrates are characterized by the presence of a solid and prominent skeleton which does not yield…

Q: wn et al. and Morwood et al. reported in 2004 that they had found skeletal remains of a previously…

A: Two species are considered very similar to each other if they share maximum portion of their DNA…

Q: ain also.

A: Jawless fishes are about 100 species. Bony fishes are about 58% if all species so, they are the…

Q: Which of the following is the correct sequence of traditional fossils that provided evidence for the…

A: A few important points about fossils :Fossils are the preserved remains or traces of organisms from…