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A: Fossils are the remains of the ancient animals say bones or these are the impressions of plant or…
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Q: What are three things a fossil can tell you about an animal?
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Q: What is dinosaur
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Q: During what era did the dinosaurs become extinct.
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A: Chordates are organism that possess an vertebral column extending from neck to back region.
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Q: Elaborate about the origin and evolution of earlier vertebrates?
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Animal Diversity
Nematodes are commonly known as roundworms. They are free-living, very tiny organisms. They have an elongated and tubular body. These organisms have a nervous system and are mostly act as parasites to both animals and plants.
Platyhelminthes
Platyhelminthes are also known as "flatworms" because as they are dorsoventrally flattened from head to tail. They are invertebrate, soft-bodied, acoelomate, unsegmented and have bilateral symmetry.
List 10 modern-day animals and using the internet
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- Pick 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 limbsUse the information and diagram to answer the following question. Scientists discovered a 375-million-year-old fossil in Canada. The diagram shows the top and side views of the fossil. Top view Side view Which observation would best support the claim that this organism was a transitional form between amphibians and fish? O A. The fossil has some body structures that are analogous to amphibians and some body structures that are vestigial. O B. The fossil is larger than most modern amphibians, but smaller than most ancient fish. O C. The fossil was discovered near a lake, which shows that the organism needed water to reproduce, as do amphibians and fish. O D. The fossil has some body structures that are homologous to amphibians and some body structures that are homologous to fish. 757 PM P Type here to search 3/22/2021 BANG LOLUFSEN insert ort sc Delete + backspace home R H. pause 1 shift C V MIn a table, compare and contrast the generalized fish and generalized tetrapod skulls based on the three phylogenetically distinct parts of a vertebrate skull. Fish Skull Tetrapod Skull Chondrocranium Dermatocranium Splanchnocranium
- Imagine if centaurs were real. Make a Cladogram (Evolutionary Origin) showing its closest relatives (most shared characteristics) and where modifications evolved.In the phylogeny below, the origin of which trait could be indicated by the letter B? A single temporal opening on the side of the skull Extra-embryonic membranes A placenta Jaws Hair and mammary glands lungfish frogs salamanders caecilians parareptiles turtles lizards mosasaurs snakes ichthyosaurs plesiosaurs crocodiles ornithisichian dinosaurs non-avian saurischian dinosaurs birds eothyridids caseids varanopids ophiacodontids edaphosaurids sphenacodontids biarmosuchians dinocephalians squopowoue gorgonopsians therocephalians snupeubossejeyɔ Probainognathus uopouoɔous marsupial: monotremes placentalsUse the information and diagram to answer the following question. Scientists discovered a 375-million-year-old fossil in Canada. The diagram shows the top and side views of the fossil. Which observation would best support the claim that this organism was a transitional form between amphibians and fish? A. The fossil is larger than most modern amphibians, but smaller than most ancient fish. B. The fossil has some body structures that are homologous to amphibians and some body structures that are homologous to fish. C. The fossil has some body structures that are analogous to amphibians and some body structures that are vestigial. D. The fossil was discovered near a lake, which shows that the organism needed water to reproduce, as do amphibians and fish.
- Make a table separating the animals based on the physical properties such as: I. Presence or absence of a backbone II. Ability to breathe in air or water III. Cold or warm blooded IV. Carnivore, herbivore, or omnivore V. Presence or absence of hair/fur VI. Any other external structure such as horns After that, construct a phylogenetic tree (example is on the picture I uploaded)Reading 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 OScientists often use a cladogram such as the one below to illustrate evolutionary relationships. Which is the best explanation for separating reptiles from mammals?
- Your age-dating put the age of the rocks you are examining in the early Devonian period. Because of this, you suspect that the vertebrate remains you found might belong to some of the earliest tetrapods (four-legged animals including land vertebrates) to walk the Earth. Examine the cladogram below. What is the sister group to the land vertebrates? Lampreys Sharks Lungfish Land vertebrates Tetrapoda Choanata Fingers and toes Osteichthyes Choanae Gnathostomata Bony ribs and shoulder girdie Vertobrata Jaws O Lampreys Vertebrae O Tetrapoda O Amphibians Lungfish Ray-finned fish Amphibianswrite a short summary of at least two species in each Genus. For instance, maybe you will choose Homo erectus and Neanderthal for the Genus Homo or Australopithecus afarensis and africanus to give details on.Reading 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 is most closely related to the turtle? lancelet grouper salamander lamprey wolf