Q: what percentage of sea turtles were around during the jurassic period?
A: Introduction : Geological time scale gives a picture of the events which has taken place in the…
Q: Explain why it is difficult to use carbon-14 dating on 100-million-year-old dinosaur fossils
A: Carbon dating is a technique used for the determination of the age of an object which contains…
Q: Scientists find an artifact next to an index fossil. What can they conclude about the unknown age of…
A: Fossils are any preserved remains, impression or trace of any once-living thing from a past…
Q: A scientist digs in an undisturbed field and finds a leg bone of dinosaur A about 6 meters below the…
A: Case 1: Ideal case scenario The dinosaur B is lived previously than dinosaur A because dinosaur B's…
Q: What was more important for the invasion of the land by vertebrates during the Paleozoic: becoming…
A: Vertebrates are those animals that are characterized by the presence of well distinguished backbone…
Q: The term “Cambrian explosion” refers to (a) an increase in biodiversity. (b) a mass extinction. (c)…
A: Answer: Introduction: The Cambrian explosion or Cambrian radiation was an incident about 541 million…
Q: Ancient mammals became abundant during this period: a) Jurassic b) Triassic c) Carboniferous d)…
A: Mammals can be defined as the group of vertebrate animals which constitutes the class of Mammalia…
Q: What is the term for bits of rock and dirt? O A. Mesozoic O B. Half-life O C. Sediment O D.…
A: An MCQ has been asked. Have to name a term for bits of rock and dirt.
Q: Bifacially flaked tools used by H. erectus characterize the Select] stone tool industry. [ Select]…
A: To identify: To identify the correct option of Bifacially flaked tools used by the stone tool…
Q: At the end of which geological time period did the Starfish become extinct?
A: Biodiversity is diversity of various living organisms on the planet that it contains different types…
Q: How is fossil age measured
A: Relative dating and absolute dating are the two basic approaches for establishing the age of a…
Q: To describe: The information that has been revealed by present methods about the successors of…
A: Dinosaurs thrived for more than 100 million years, and there is no certainty behind dinosaur…
Q: Which branchpoint represents the most recent common ancestor of A and C? C 2 4 -A -B 3
A: The phylogenetic tree is a diagram and represents the evolutionary relationship between organisms.…
Q: Which idea stems from the theory of evolution? - a. The earth is relatively young. b. Each…
A: Evolution is change in the heritable credits of normal peoples over reformist ages. These ascribes…
Q: The first hominid to migrate extensively to Europe and Asia wasa. Homo sapiens.b. Homo…
A: A hominid can be defined as the any member of the biologically family Hominidae. They are found in…
Q: Fossils found in deeper layers of the Earth generally have ____ 14C than fossils found in the upper…
A: Fossils found in the deeper layer of the earth generally have which amount of 14C than fossils found…
Q: What was the fossilization process for the dinosaur bone in this sample? O A. preserved as is O B.…
A: Fossilization makes animals and plants fossil.
Q: What kind of fossils were formed out of dinosaur remains and activities? Why do you say so? (Give…
A: Dinosaurs lived many million years ago and they turned into fossils when they are dead. Almost 99%…
Q: What does a conical age pyramid with a broad base represents?
A: An age pyramid is a graphical representation of the number of individuals in various age groups of…
Q: On the geologic time scale, life originated in the_____ . a. Archean c. Phanerozoic b. Proterozoic…
A: The geologic time scale is a chronological dating system that classifies geological strata into…
Q: Were the homo neanderthalensis the first to make blade tools?
A: Homo neanderthalensis are the extinct species closest to Homo sapiens. The defining features of this…
Q: Which era is furthest in the past? O A. Cenozoic O B. Mesozoic O C. Paleozoic O D. Precambrian
A: According to the timeline of the evolutionary history of life, all present-day organisms have been…
Q: 1. Which is older: the arrowhead or the spear point? 2. If G is a well, who do you think dug it? 3.…
A:
Q: Cenozoic Era
A: The Cenozoic era began about 66 million years ago and continues into the present, is the third era…
Q: how do fossils form in different locations on earth
A: A fossil is any protected remaining parts, impression, or hint of any once-living thing from a past…
Q: Rock strata with fossils Which organism is most recent? a b d a
A: Fossils These are defined as the remains of organisms such as plants, animals, single-celled living…
Q: What dinosaurs did Acrocanthosaurus lived with in its time in North America like what herbivores or…
A: The Acrocanthosaurus was a flesh eating theropod that lived all through the Early Cretaceous period…
Q: The _was one of the first standardized ways that ancient human ancestors produced tools and was used…
A: Introduction Human evolution:- It is the lengthy process by which human beings developed on Earth…
Q: You are a Triassic dinosaur. Which of the following would you have been able to do?
A: The Triassic period was a time of enhancement of land plants in which ferns were transcendent…
Q: In which era did humans first appear on Earth? O A. Paleozoic O B. Mesozoic C. Precambrian O D.…
A: Humans do not evolve from the todays chimpanzees but human develop along side with the chimpanzees…
Q: The late miocebe african enviirment where the earliest hominids evolved was characterized by
A: The Miocene Period, which lasted from approximately 23 to 5.3 million years ago, would be the first…
Q: Fossil A found closer to the surface compared to Fossil B. Which of the following conclusions can be…
A: Fossils are the remains or impressions of a prehistoric plant or animals embedded in a rock and…
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 which type of rock are you most likely to find a fossil? a. basalt, a dark, fine-grained volcanic…
A:
Q: Fossils show that dinosaurs originated between 200 and 250 million years ago. Would you expect the…
A: Earth is divided into land part and ocean part. A huge large chunk of land is present later around…
Q: Explain why mammal jawbones may have shifted to being a single solid bone from multiple bones.…
A: The evolution of the jaw is one of the most significant evolution in vertebrate history.
Q: The Mesozoic Era is referred to as the: * O Age of Ages Age of Reptiles O Age of Arthropods O Age of…
A: Biodiversity is the which describes the different varieties of organisms or living forms on the…
Q: at is the term for an element that decays into another O A. Sediment O B. Mesozoic O C. Radioactive…
A: This is the physical phenomenon of certain elements of emitting energy in the form of radiation.
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: plutionary history of the dinosaurs up u Cambrian Mesozoic Paleozoic Cenozoic
A: Permian Triassic extinction event was called great dying event. In this era 90% of life in the…
Q: Geologists searching for clues to the ancestors of modern-day vertebrate land animals should look in…
A: Fossils are defined as the remains or impression of living things that were once livings in the…
Q: Approximately when did life first appear on land A. 500 million years ago B. 2 billion years ago…
A: Question - Approximately when did life first appear on land A. 500 million years ago B. 2 billion…
During what era did pangs begin to break up?
A. Cretaceous
B. Triassic
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- What is the term for bits of rock and dirt? O A. Mesozoic O B. Half-life O c. Sediment O D. RadiometricIn which type of rock are you most likely to find a fossil? a. basalt, a dark, fine-grained volcanic rock b. limestone, composed of sedimented calcium carbonate c. slate, a volcanically melted and cooled shale d. granite, which forms by crystallization of magma cooling below Earth’s surfaceWhen was the first mass extinction? A. At the end of the Ordovician B. During the Mesozoic era O C. At the start of the Ordovician period D. None of the above E. During the Triassic era
- According to " Denisovans: Decoding the Secrets of Our Mysterious Ancient Cousins”, what kinds of tool artifacts were found in the cave near Denisovan specimens? A.Lithic cores B.Levallois cores C.Oldowan Choppers D.Both A and B E.Both A and CWhat kinds of tool artifacts were found in the cave near Denisovan specimens? A. Lithic cores B. Levallois cores C. Oldowan Choppers D. Both A and B E. Both A and CThe Cambrian Explosion occurred approximately 542 million years ago. During the Cambrian, what ‘exploded’? a. The diversity of species on Earth, including many major animal phyla that exist today b. The Yucatan Peninsula, which was hit by an asteroid c. The quantity of oxygen in the atmosphere due to the expansion of coniferous forests d. Numerous volcanoes worldwide, leading to the fourth mass extinction
- The first forms of life on Earth were a. plants b. microorganisms c. birds d. dinosaursScientists find an artifact next to an index fossil. What can they conclude about the unknown age of the artifact? a The artifact is older than the index fossil. b The artifact is younger than the index fossil. c The artifact is approximately the same age as the index fossil. d The artifact's age is not related to that of the index fossil.According to "Homo erectus – The First Humans”, what stone tool is believed to be developed by Homo erectus? A.Oldowan Chopper B.Levallois Flake C.Acheulean Hand Axe D.Levallois Fishing Rod
- In which era did humans first appear on Earth? O A. Paleozoic O B. Mesozoic C. Precambrian O D. CenozoicWhich features characteristic of humans are unlikely to fossilize? a. the bones and dung b. the jaws and dung c. behavioural and soft tissue features d. behavioural and hard tissue featuresAbout when did the common ancestor of chimpanzees, humans, gorillas, and orangutans last exist? a. Between 5 and 8 million years ago b. Less than 5 million years ago c. More than 15 million years ago d. Between 10 and 15 million years ago e. Between 8 and 10 million years ago
