Q: The extinction of dinosaurs left gaps in the early ecosystems on earth. Explain briefly the…
A: Evolution is change in the species over a period of time.
Q: Based on the primary features only, ldentify and name any five chordates (two must be aquatic) that…
A: Chordates represent the members of Phylum Chordata. The primary anatomical features of a cordate…
Q: If you discovered a fossil hominin that was adapted for both arboreal and bipedal locomotion, had an…
A: Introduction Bipedalism is a type of terrestrial locomotion in which an organism moves by using its…
Q: Lystrosaurus provided which type of evidence supporting continental drift? land features fossil…
A: As the ability to sequence the nucleotides that make up DNA has increased, the use of genes to…
Q: Write the era and period of each listed organism. Refer to geological time scale.
A: ERA PERIOD first vascular land plants Paleozoic (ancient life forms) Ordovician jawed…
Q: Which statement is true about fossilization? (A) (B) (C) (D) Only animals with backbones…
A: Fossilization is the process of preserving plant and animal remains over a period of time by means…
Q: Neanderthals and Denisovans split approximately 530,000 years ago. 430,000 years ago. 400,00 years…
A: Answer is 3rd option
Q: Dinosaurs (apart from birds) went extinct at the end of the Permian because they were poorly adapted…
A: Geological time scale is somewhat chart which tells and explains the transformation of simple life…
Q: The Mousterian stone tool assemblage is mostly associated with which species? Denisovans…
A: Mousterian culture was named after the type site of Le Moustier, three superimposed rock shelters…
Q: DATA ANALYSIS Use the data in Figure 2 to complete the table. Modern- Evidence from Theropods…
A: Theropoda, whose members are known as theropods, is a dinosaur clade that is characterized by hollow…
Q: Ardipithecus ramidus lacked the specialized teeth seen in living apes (such as exaggerated canines).…
A: Any animal or plant retained in the Earth's geological record that is representative of a specific…
Q: 48. Whales that are found on the Earth today: Mark only one oval. Are identical to whales whose…
A: Introduction:- Evolution: The gradual descent of current organisms from ancient organisms over time.…
Q: Figure 26.12b Lancelet (outgroup) Lamprey Bass Vertebral column Frog Hinged jaws Turtle Four limbs…
A: Hinged jaws: There are the type of jaws in which the upper jaw bone of the animal is joined to the…
Q: Most fossils ___. have been formed by exposure to air are found in sedimentary layers of rock…
A: A fossil is anything of past geological age which was preserved. A fossil could be anything like…
Q: Kiwis belong to the group ________. Question 2 options: Enantiornithes Ornithischia…
A: Biology is a branch of science that deals with the study of life. Biology is broadly divided into…
Q: Use the dichotomous key to identify the organism below. DINOSAUR DICHOTOMOUS KEY .... go to step 2…
A: A dichotomous key is an identification method that will help in identifying an organism which is…
Q: Compare H. heidelbergensis tools to Neandertal tool kits (match a-d with numbers 1-4) 1.H.…
A: Introduction: H. heidelbergensis tools- Homo heidelbergensis is an extinct species/ subspecies of…
Q: Fossils can be body parts of ancient organisms such as bones,shells,teeth or plant leaves
A: Fossils provide paleontological evidence of organic evolution.Fossiles are dead remains of hard…
Q: Hagfish Perch Salamander Lizard Pigeon Mouse Chimp Feathers Fur; mammary glands Claws or nails Lungs…
A: When researchers find a new organism, they begin to identify anatomical characteristics which seem…
Q: Birds Non-Avian Dinosaurs Fish Wings
A: Solution 1) Non avian dinosaurs and birds Are monophylatic groups A taxon is any group of…
Q: isa Nhich of the animals represents the oldest creatures in terms of evolutionary history?
A: Evolution is the process of changes in the characteristics of a species over many generations and…
Q: How long did it take, according to the short film, Human Origins: Expanding World of Homo Erectus,…
A: The answer of this question is option 2 that is 1.5 million years. The Homo erectus is lasting…
Q: - What method can scientists use to determine when the fossil above appeared on Earth? SC.7.L.15.1
A: Fossils should be studied in terms of time and occurrence for understanding evolutionary phenomena.…
Q: Give the stratigraphic arrangement of rock layers as shown below, the circles represent places where…
A: The correct answer is option: B The therapsids are believed to be present between the Carboniferous…
Q: Homo sapiens appeared in East Africa years ago 300000 O 100000 O 200000 500000 O 400000 O
A: Homo sapiens is the binomial nomenclature for the human species. Homo is the human genus, which also…
Q: differetiate fossils and trace Fossils.
A: Fossils: - Fossils are mortal remains of the organisms who lived before. It means that the skeletons…
Q: Taphonomy is: Group of answer choices the organization of animals into categories the study of bones…
A: Fossils are the preserved remains of plants and animals whose bodies get buried in sediments, such…
Q: Some researchers call Australopithecus garhi, Homo garhi because of
A: The class or group name Australopithecus is gotten from the Latin word 'australo' signifying…
Q: Cite and explain the factors that led to an enormous bloom of animal diversity in the Paleozoic era.
A: Paleozoic era began somewhere around 541 million years ago and ended around 252 million years. The…
Q: The scale on the bottom indicates the estimated timing of nodes (Mya = million yrs ago). Trioceros…
A: Introduction: Monophyletic is a Greek term which suggests organisms or species belonging to a single…
Q: Lancelet (outgroup) Lamprey Tuna Salamander Turtle Leopard Hair Amniotic egg Fo lancelet Jaw turtle…
A: DNA - It's full form is deoxyribonucleic acid , it's a molecule which contain the instructions…
Q: Make a table separating the animals based on the physical properties such as: I. Presence or…
A: Phylogeny is the branch of biology that studies phylogenetic analysis. A phylogenetic analysis is…
Q: Transitional Fossils Eusthenopteron (fish) Tiktaalik Acanthostega
A: Answer of question 8 and 9 are given :-
Q: Which of the following are ways in which early hominins differed from apes? (select all correct…
A: The Great Apes are a sub division of primates that includes humans. Humans are primates, however…
Q: Fill in the missing table and construct a cladogram for the group Character A-outgroup Amphioxus…
A: The cladogram is a evolutionary tree that graphs the familial connections among organisms. ,…
Q: complete the empty cells in the table below . Identify which trait(s) is a autapomorphy.…
A: Autapomorphy is a distinctive feature that is unique to a given taxon.
Q: Why do we need to know the age of a fossil?
A: Fossil is preserved remains of any living things from the history such as bones,shells ,DNA remnants…
Q: In the phylogeny below, the origin of which trait could be indicated by the letter B? A single…
A: Phylogenetic tree is a branching diagram to understand the evolutionary relationships among…
Q: Was the ancestor of all dinosaurs feathered or scaly? What character condition did you get
A: It is clear from the genetic tree that ancestral dinosaurs were mostly scaly.
Q: Which mechanism of fossil formation created a replica of an organism's original form? a natural…
A: Introduction When an organism is buried via water that contains debris and minerals, in addition to…
Q: picta oregonensis platensis WA OR croceater xanthoptica klauberi eschscholtzii Central Valley
A: In the map, it shows that intergrades between all the subspecies with the exception of the two that…
Q: Use the dichotomous key to identify the organism below. DINOSAUR DICHOTOMOUS KEY go to step go to…
A: A dichotomous key is a method developed by scientists to help lay-people and scientists to recognize…
Q: dinosaurs lived with gigiantosaurs in time line
A: Giganotosaurus belongs to the genus theropod dinosaurs. They lived in South America (Argentina)…
Q: Which of the following periods is the earliest during which animals may have appeared? a. Ordovician…
A: Extinction aids the evolution of life by making way for new species. The number of species going…
Q: Based on the fossil record, when did hominins first appear in Africa? Group of answer choices ~ 12…
A: A fossil is a preserved remains of animals and plants that are buried in sediments. It is formed…
Q: Modern Homo sapiens appeared approximately ______. Group of answer choices A. 20,000 - 40,000 years…
A: All modern humans are members of the species homo sapiens (Latin: "wise man"). The genus Homo…
Q: Which conditions would NOT lead to good preservation of a dead hominin skeleton? Group of answer…
A: Introduction A soil ecosystem is an example of a complex ecosystem as it contains a lot of living,…
Q: Drag the identifying traits used to group each new class to the boxes. Start with the most primitive…
A: The dipnoans are generally called 'lung fishes'. The group, Dipnoi owes its name from the presence…
Q: HAS c. Order the following life forms ologically from the oldest life form to the newest life form.…
A: Geological time scale is a type of calendar which gives information above past history of Earth ,…
Q: The diagram shows a phylogenetic tree. Ray-finned fish Sharks Amphibians Primates Rabbits Crocodiles…
A: Phylogenetic tree It refers to a branching diagram that displays the evolutionary relationships of…
Basilosaurus was a fully aquatic ancient whale species that had vestigial _____________________ which suggests a terrestrial past.
knee caps
feet
hind limbs
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- A skeleton was found with proportional upper and lower limbs. The radius and ulna of the arm were fused, as were the tibia and fibula of the leg. The spine was made up of small vertebrae with long spiny processes. Is this human or non-human remains?A large skull was found with a dental formula 2:1:2:3, large incisors, and small canines. The skull has a chin and the orbits are at the front above the nasal aperture. Is this human or non-human remains?What type of animal is depicted in this image?
- Who is ligmaTwo of the femurs, one right and one left, had thick bones. What can you infer from this information about this person?Why was it significant that the bones were found to be articulated (their bones hadn’t separated from each other)? A. The individuals arrived in the cave either alive or shortly after the died. B. The individuals had decomposed outside of the cave, and other Homo naledi individuals put their skeletons together inside the cave. C. The bodies must have been placed in bags or coffins to keep the skeleton together as the body degraded. D. None of these are correct
- The lack of ________ ________, a shearing canine/premolar arrangement, is indicative of a derived characteristic of early hominins or evolved in both hominins and other hominoids due to homoplasy. Group of answer choices dental dimorphism cusp pairing predator occlusion honing complex sagittal crestSahelanthropus tchadensis Facial bonesWhat is dinosaur
