Which statement is true about fossilization? (A) (B) (C) (D) Only animals with backbones (vertebrates) fossilize. Only animals with hard structures, such as bones or shells, fossilize. Animals always fossilize, but plante fossilize under certain conditions. All organisms fossilize, depending on the environmental conditions.

Q: What factors are necessary for fossils to occur? I. Abundant Members II. Exist for a long time III.…

A: Introduction A fossil is preserved remains impression of any once-living thing from a past…

Q: According to this tree, turtles are more closely related to mammals than to birds." This statement…

A: In taxonomy the construction of phylogenetic tree is very important that gives us ideas about the…

Q: How can we explain that fossils of Mesosaurus, an extinct reptile that could not swim across open…

A: Mesosaurus, a ancient reptile that lived in freshwater amid the early Permian period. Its fossils…

Q: Even though paleontologists and anthropologists are continually finding new fossils, there is still…

A: Even though paleontologists and anthropologists are continually finding new fossils, there is still…

Q: An analysis of a phylogeny that displays data about the fossil record over time reveals all of the…

A: Answer : option (C)  - Evolution is the result of interactions between organisms and their…

Q: . When during the history of life did vertebrates evolve?

A: Earliest Vertebrates evolved 550 million years ago.

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: hat do scientists think the primitive Earth w

A: Researchers believe that early earth's atmosphere consisted of water vapor , carbon dioxide , carbon…

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Q: The fossils in line 4 are Delic TRT * the ones in line 1 of the diagram. 1 2

A: In this case, we may learn more about the relative ages of different types of animals, such as…

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: 7. Fossils can form in several ways. (A) Explain 2 of the more common ways that fossils form and how…

A: fossils are the remains or impression of a prehistoric plant or animal embedded in rock and…

Q: Traits that are specialized to a particular lineage, and not widely shared among remotely related…

A: A phylogenetic tree is a diagrammatic representation which explains the concept of evolutionary…

Q: Fossilsa. are the remains and traces of past life.b. can be dated absolutely according to their…

A: Answer is a.) are the remains and traces of past life.

Q: According to "Our Earliest Ancestors", what time period is being discussed in this video?    A.The…

A: The Eocene, Miocene, Pleistocene, and Paleocene are all epochs in the geologic time scale. They are…

Q: Why will the fossil record always be incomplete?

A: FOSSIL : Fossil record give the evidence for any particular species that lived in the past period of…

Q: Which statements are false? Select all that apply. Select one or more: a. The fossil record is…

A: Answer.  Fossils are the preserved remains or traces of organisms from the distant past. The fossil…

Q: One benefit of the fossil record isa. that hard parts of bodies are more likely to fossilize.b. that…

A: Fossils are remains of organisms from the past that have been preserved in the different layers of…

Q: The first single-celled organisms on Earth probably evolved (a) 3,700 years ago (b) 3.7 million years…

A: Evolution is a process of slow and gradual change over a period of time. There are many pieces of…

Q: Describe six types of fossils and how they form. What presentenvironmental conditions might preserve…

A: Fossils: Fossils are considered to be the parts or the remains of the organisms that are preserved…

Q: In 1983, a team of scientists discovered a fossilized bone of a giant bird when excavating land in…

A: Fossil A remnant or imprint of extinct animals or plant on rocks, deep sea, or snow is known as…

Q: Which of the following is an accurate point that supports the idea that the earliest protocells…

A: DNA and RNA are the genetic material present in the cell.

Q: Why was the Mesozoic era extinction significant to the history of mammals? a. As photosynthesis…

A: The Mesozoic era is referred to as the age of the dinosaurs which were dominant during this period…

Q: Which of the following is not a hypothesis used to describe the sudden change in the diversity of…

A: The term "Cambrian explosion" refers to a time when bilaterally symmetrical (bilaterian) animal…

Q: The Cambrian Explosion occurred due to the widespread adoption of bilateral symmetry and the…

A: INTRODUCTION The Cambrian explosion or Cambrian radiation was an occasion approximately 541 million…

Q: The greatest mass extinction episode in the history of life occurred at what boundary? (a)…

A: Mass Extinction events can be defined as those events in which half or more than half of all…

Q: Why is animal evolution during the early Cambrian referred to as an “explosion”?

A: The evolution during the early Cambrian referred to as an explosion. Here we will discuss why it is…

Q: Describe one characteristic you see in organism 3 which might have had an advantage over organism 2.…

A: *Darwin proposed that Fossil records provides evidence that the living organisms has evolved a…

Q: Transitional Fossils: Which of the following is the corre sequence in the evolution of structures…

A: Vertebrate incursion from aquatic to terrestrial environments required a significant change in their…

Q: Refer to the figure of animal phylogeny (thick portions of each branch represent time from the…

A: Vertebrates They include animal taxa within the Vertebrata subphylum. Vertebrata constitutes;…

Q: Which of the following terms most specifically describes what occurs when a group of organisms…

A: Speciation occurs when a group of a species separates from the other members of its own type and…

Q: During the ____ epoch, there were fewer ____ and more ____, a reversal in the relative…

A: Geological Time depicts the geological history of Events on Earth that occurred in a specific time…

Q: Use the image to answer the question. If you were to create a phylogenetic tree of these organisms,…

A: The organism lancelet will branch off first because out of 6 characters used to make phylogenetic…

Q: (a)choose one ecomorph and explain how the characteristics of that body type are adaptations to that…

A: Ecomorphs are populations of a species having small differences in its colour or form which…

Q: Look at the Animal Tree. The green outlined rectangular area shows a lumping of extant species that…

A: Humans are different from other animals in phylogeny in many characteristics such as bipedalism, the…

Q: Use the scenario to answer the question. A fossil indicates that whales might have started out as…

A: There are many signs in a whale's anatomy that their ancestors lived on shore. Hippos and whales…

Q: Which of the following is a prediction that evolution makes about the fossil record? Group of…

A: Answers The correct option would be  b) most recent fossils should be most similar to modern life.…

Q: The time of greatest evolutionary diversification in the history of life occurred during the (a)…

A: Introduction  Environment plays a major role in the diversification of organisms. For example, if we…

Q: Question 42 (Mandatory) Amphibians evolved directly from which ancestral organisms? a) Small mammals…

A: Understanding amphibian evolutionary origins and Australia's unique variety sheds light on the…

Q: why do prehistoric remains consist of almost inclusively of bones and teeth?

A: It is generally found that the prehistoric times mainly comprise of harder body parts like bones and…

Q: The eon comprising the Cambrian period up to the present is called the (1). It is divided into three…

A: Geological time scale is the calendar for events in the Earth history. It is subdivided into eons,…

Q: The fossil record (a) usually occurs in sedimentary rock (b) sometimes appears fragmentary (c) is…

A: All life on Earth descended from the universal last common ancestor, who lived between 3 and 4…

Q: 1) Homo habilis use tools of a type called ..................... while Homo ergaster use tools of a…

A: Homo georgicus is an extinct species of early humans that were discovered in Dmanisi, Georgia in…