Explain what significant events happened during the Five major extinction events between the late Cambrian until the late cretaceous period.

Q: Which statement about the Cambrian period is true? The first multicellular life appeared. Large land…

A: From the end of the preceding Ediacaran era 541;million years ago(mya) to the beginning of the…

Q: In what way was the evolution of eukaryotic cells linked to the increase in the oxygen concentration…

A: Evolution is a continuous process and we are still evolving. Evolution is nothing but adapting to…

Q: Discuss the evidence-based reasons why it is being highly proposed that we are under the…

A: A branch of science which deals with the features of an area involving physical structures,…

Q: What do you think geologists would find in the rock record as evidence of human life today million…

A: Millions of years later, layers of sediment will get compacted into rock such as sandstones,…

Q: Researchers looking for fossils of the earliest life-forms face many hurdles. Explain why so few…

A: Fossils are the preserved remnants of ancient creatures or evidence of their remains. Fossils are…

Q: List the major events of the Precambrian supereon and of thePaleozoic, Mesozoic, and Cenozoic eras`

A: Precambrian supereon consists of the period before Cambrian and hence the name pre-Cambrian eon. It…

Q: Relative dating of sedimentary rocks allows scientists to assign specific dates to fossils.

A: It is difficult to date sedimentary rocks since they range to billions of years ago. So, the…

Q: What is the “Cambrian explosion,” and why is it significant?

A: Cambrian period refers to the initial geological period of the Palaeozoic Era as well as Phanerozoic…

Q: The Cambrian Explosion occurred approximately 542 million years ago. During the Cambrian, what…

A: Cambrian period refers to the initial geological period of the Palaeozoic Era as well as Phanerozoic…

Q: Describe the evolutionary significance of the Cambrian explosion.

A: Introduction  Cambrian explosion event was occurred nearly 541 million years ago during the Cambrian…

Q: Colonization of Land The Cambrian explosion Flowering plants Endosymbiosis Origin of Reptiles First…

A: Introduction : The Geologic Time Scale divides the Earth's history into four…

Q: Outline the major events and changes in species diversity duringthe Paleozoic, Mesozoic, and…

A: The genes are hereditary units of an organism that is transferred from one generation to the next.…

Q: Describe how the sudden appearance of oxygen in the atmosphere about 2.5 billion years ago…

A: Since life first emerged on Earth between 3.5 and 4 billion years ago, it has continued to develop.…

Q: Discuss three hypotheses, explaining the rise of Cambrian diversity and the decline of Ediacaran…

A: The Cambrian period extended from 542 to 488 Mya (million years ago). It is characterized by the…

Q: In which era of the Geologic Time Scale are we currently living ir O Cenozoic O Mesozoic

A: 2nd answer is cenozoic

Q: Why are fossils from tropical rainforests (such as Brazilian Amazon) more rarely found than the ones…

A: Fossils- they are preserved remains of any living thing from the past. It can be an impression or…

Q: The appearance of the first hominoids dates to the ___________ period. Triassic Jurassic Cretaceous…

A: A hominid refers to a group of human and human-like apes which belongs to the Hominidae family. The…

Q: Cambrian explosion occurred?

A:

Q: Define - The Carboniferous period ?

A: The carboniferous or " carbon-bearing "    period  is the part of late paleozoic era , the fifth…

Q: What are the importance of mass extinction over time with emphasis permian Triassic extinction.…

A: Permian mass extinction is considered a most devastating biotic event which caused the loss of…

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: 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: What is the "Cambrian Explosion" and why is it significant?

A: The Cambrian period is the first period of the Paleozoic era and started around 542 mya. This period…

Q: What caused the Cambrian explosion? Describe current hypotheses.

A: Cambrian explosion denotes the most significant event in the evolution or the history of life on…

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: The ends of many eras and periods in the geologic time scale are characterized by?

A: Introduction: Paleontology is the study of the earth's history of lifeforms, which is based on…

Q: What is the relationship among eons,epochs and periodsbof geologic time scale? Explain

A: The geologic time scale splits the earth's evolution into periods depending on the types of life…

Q: Which fossil layer is the oldest (name the geological period)?

A: When geologists study 3 rock layers (and their fossils), there is a good chance that the upper layer…

Q: Discuss four (4) evidence-based reasons why it is being highly proposed that we are under the…

A: Anthropocene  Anthropocene epoch is the unofficial most recent epoch of the earth history where…

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

A: The Cambrian explosion is a very important event in the studies of evolution and adaptation. This…

Q: What was the “Cambrian explosion” and how might you explain it?

A: Introduction  Cambrian explosion event was occurred nearly 541 million years ago during the Cambrian…

Q: what geology was occuring aroung the cambrian explosion that may have contributed to this…

A: Cambrian explosion occured around 541 million years ago.Cambrian period started after second great…

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: Why is there an argument among scientists about recognizing Anthropocene as an epoch?

A: Epoch means an event or a very long time marked by an event that begins a new period or…

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: How do geologist define many of the boundaries between sections of geologic time

A: Eons are classified into periods, which are smaller time spans. The Phanerozoic is divided into…

Q: example. Table 10: Some Important Events in Geologic Time Era Mesozoic Period Triassic Event Eon…

A: This table is based on the time line of genetics.  Various animals and plants came into existence…

Q: Briefly describe the distinguishing organisms and major biological events of the Ediacaran period…

A: Molecular systematics assists biologists in interpreting the fossil record in order to determine the…

Q: Which of these geologic time periods have been defined by a major extinction event? Select all that…

A: The geologic time scale is the “calendar” for events in Earth history. It subdivides all time into…

Q: What is the difference between Fossils and Trace Fossils.

A: A fossil (from the Latin word fossilis, literally 'obtained by digging') is the preserved remains,…

Q: Describe the evidence for the cause of the Cretaceous–Paleogene (K–Pg) mass extinction.

A: the K–Pg extinction was caused by the impact of a massive comet or asteroid 10 to 15 km (6 to 9 mi)…

Q: What is the "Cambrian Explosion" and why is it significant?

A: Cambrian period refers to the initial geological period of the Palaeozoic Era as well as Phanerozoic…

Paleontology

A branch of science concerning the scientific study of life from ancient times is known as paleontology. The scientists working on paleontology are known as paleontologists. Paleontologists collect the fossils of organisms from ancient times to classify them. The paleontologists also study the environment from ancient times to study the interactions between different organisms.