Q: What major climatic and biological events happened during thePleistocene?
A: The environment throughout the Pleistocene was dynamic, changing dramatically in response to climate…
Q: Explain about fossil record
A: A group of fossils that have been analyzed, after which they have been sorted into chronological and…
Q: How does the study of fossils strengthen the theory of evolution?
A: fossils are the remains of the organism that gets preserved for a long period of time they are…
Q: Which organisms came and went during the Mesozoic era?
A: MESOZOIC ERA:- It is the era when the conifers, reptiles, dinosaurs were present in plenty of…
Q: describe fossil evidence of the earliest multicellular organisms and the earliest animals?
A: The fossils can be defined as the organisms that lived in the past and are not found today. They are…
Q: Was Archaeopteryx the firstbird?
A: Archaeopteryx is a fossil. This is an extinct species; it does not exist anymore. The fossil was…
Q: How to determine the age of fossils orartifacts ?
A: Fossils are the remains of living things that have been buried or preserved under various conditions…
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: List the characteristics of fossils.
A: Fossils are the remnants or traces of the dead plants and animals that have been preserved by…
Q: How did we define early sciences, which were practiced by humans during stone and bronze ages?
A: The early science or protoscience is the science of ancient history. Since,there were no ways of…
Q: Why don't paleoanthropologists use C-14 dating to understand when early hominins lived?
A: Carbon-14 dating, often known as radiocarbon dating, is a method of determining age based on the…
Q: What is the study of fossils called? Mention any three points how the fossils throw light on past…
A: Fossils are the naturally preserved remains or traces of animals or plants that lived in the…
Q: Discuss what the fossil record reveals about early animalevolution.
A: Evolution is the branch of science that deals with various characters of an organism compare to…
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: How did the Paleozoic era end?
A: Paleozoic era is the earliest era that has occurred in the Phanerozoic eon. It is the largest of all…
Q: Distinguish between relative and absolute dating of fossils
A: Relative dating doesn't assign a fossil a specific age. Instead, it places the fossil into the…
Q: Do all organisms fossilize after death?
A: Evolution is a continuous process and we are still evolving. Evolution is nothing but adapting to…
Q: What is the oldest fossils?
A: Ans: Fossils: The remaining of animals, fungi, plants, single cell living organisms or bacteria is…
Q: How would the appearance of protocells have represented a key step in the origin of life?
A: Introduction Origin of life on earth can be traced back to 3.4 billion years ago and as we now know…
Q: What Were the Earliest Organisms Like?
A: Evolution is a gradual process, and according to the theory of evolution, all species are related…
Q: How can the fossil record be biased, and how should that influence how we interpret fossils?
A: Paleontology is considered a branch of biology that implies the knowledge of biology and geology. It…
Q: Name the earliest man like fossil.
A: About 15 mya, primates called Dryopithecus and Ramapithecus were existing. Ramapithecus was more…
Q: Why are all of the fossil taxa from the Pliocene in this module called hominins?
A: Fossils are the preserved remains of plants and animals that were buried beneath ancient oceans,…
Q: how does examining the depth in which fossil is found in the ground, help scientists understand more…
A: Fossils are the remains of plants, animals, fungi, bacteria, and single-celled living things that…
Q: What is the difference between an ancestral character and a shared derived character?
A: Systematics is used to construct a cladogram, which is an evolutionary tree, which depicts the…
Q: What is a transitional fossil?
A: Fossils are the preserved remains or remains from a once-living organism from a particular…
Q: What you mean by living fossils?
A: Fossils can be defined as the remains or traces of the non-degraded parts of ancient living things…
Q: Most fossils are formed of the______ parts of an organism
A: The fossil means the trace of an organism is preserved in Earth's crust for years.
Q: Describe an example from the fossil record that showshow life has changed over time.
A: Evolution is the process of heritable change in the characteristics of an organism. Such changes…
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: differetiate fossils and trace Fossils.
A: Fossils: - Fossils are mortal remains of the organisms who lived before. It means that the skeletons…
Q: Which of these events occurred in the Mesozoic era? First mammals First cyanobacteria First bacteria…
A: Mesozoic era has three periods cretaceous, Jurassic and Triassic periods. It is the age of reptiles.
Q: Organism A lived from 410 to 60 million years ago. Organism B lived from 200 to 100 million years…
A: In case of human or animal remains from the past 50,000 years, researchers focus at levels of carbon…
Q: How did the presence of molecular oxygen in the atmosphere affect early life?
A: Life originated nearly 3.6 billion years ago in the deep ocean. The first organisms to be evolved…
Q: The fossil record shows that over time:
A: Fossils are the remaining parts or traces of old life that have been preserved by natural cycles,…
Q: List the types of rocks that form from rhizarian remains.
A: There are various types of rocks in which the main rocks comprises sedimentary rocks, igneous rocks,…
Q: Why did Shubin and his colleagues choose to look in the Canadian Arctic for transitional fossils?
A: As explained by Neil Shubin answer why he chose the Canadian Arctic for transitional fossils takes…
Q: Give some examples of living fossil.
A: All Fossils are evidence of evolution. The term “living fossil” is mainly used for describing the…
Q: What is fossil?
A: Evolution is defined as the change in the characteristic traits of the organism in population over a…
Q: Which event in Earth’s historyeventually lead to the evolution of multicellular lifeforms?
A: The process of evolution of multicellular life from simpler, unicellular microbes was an important…
Q: ldest in a given strata and why?
A: Fossil is any preserved remains, impression, or trace of any once-living thing from a past…
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: In what layer does the oldest organism become extinct first?
A: Answer: The study of fossils is called paleontology.
What patterns in the fossil record would support that organisms have evolved?
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- What is the correct order of appearance in the fossil record, starting with the earliest: eukaryotic cells, multicellular organisms, prokaryotic cells?Why will the fossil record always be incomplete?Which mechanism of fossil formation created a replica of an organism's original form? a natural cast b amber-preserved c permineralization d trace fossil
- Is the fossil record a complete picture of all of the living things that have ever existed on earth? Why or why not?Which fossil would be the oldest in a given strata and why?In what way was the evolution of eukaryotic cells linked to the increase in the oxygen concentration in the atmosphere that occurred during the Precambrian?