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: reptiles, mammals, amphibians, fishes?What is the correct order of appearance in the fossil record, starting with the earliest: eukaryotic cells, multicellular organisms, prokaryotic cells?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
- 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?Which of the following was not present by the end of Precambrian? a. archaea c. fungi b. bacteria d. fish