According to "Our Earliest Ancestors", what time period is being discussed in this video?    A.The Eocene B.The Miocene C.The Pleistocene D.The Paleocene

Q: Question 1:  Mass extinction ocurred on the following time and era except for: A. Mesozoic B.…

A: Question 1) Mesozoic era : At the end of this era the about 70% of all plants and animals were…

Q: What is a fossil? * O A rock that has turned into biological material over time Remains of an…

A: Fossil records are important to study the process of evolution. Fossils are the treasures that…

Q: what does the Cambrian “explosion” refer

A: The early phase of the Paleozoic era that started 541 million years ago and lasted up to 485.4…

Q: The great apes made their first appearance in the fossil record between 23 and 2.6 MYA, which:…

A: The question is asking us to identify which geological period corresponds to the time frame of 23 to…

Q: Which of the following techniques examines the decay of carbo an object? O A. Radiometric dating O…

A: For the determination of the age of living or nonliving materials the scientist usually determined…

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: The Upper Paleolithic / Later Stone Age includes____ that are characterized by____. a. Mode Ill…

A: Introduction:        In  later stone age is actually upper paleolithic the modern human moved…

Q: Match items in the column that mostly related to each other. i. homology ii. biogeography iii.…

A: Homology can be defined;  as a similarilty in the structures or organ present between different…

Q: What event is thought to have contributed to the evolution of eukaryotes? a. global warming b.…

A: Eukaryotes can be defined as organisms that comprise of eukaryotic which includes the protists,…

Q: Question 32 are periods of evolutionary change in which many new species evolve from a coma…

A: Evolution is the process by which new characteristics develop or change in characteristics of a…

Q: The fossil nicknamed Lucy was a(n)a. early Homo.b. australopith.c. ardipithecine.d. modern human.

A: Answer: Introduction: Fossils are produced in many diverse ways, but that are widely produced at the…

Q: The____ tool industry characterizes the Middle Paleolithic / Middle Stone Age and spans the time…

A: Introduction Evolution is the process of gradual, heritable change in the characteristic of the…

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: According to " Denisovans: Decoding the Secrets of Our Mysterious Ancient Cousins”, what kinds of…

A: The question is asking about the types of tool artifacts that were discovered in the cave where…

Q: 19. When a radio-isotope in a fossil with a half-life of 3,000 years has been reduced to 1/8th of…

A: On completion of each half life  the  amount of the substance reduces to half of its initial value.…

Q: Choose the best below ? Which of these steps probably occurred first in the chemical andbiological…

A: For testing of old hypotheses regarding the existence of life was done by the advances in various…

Q: The map below shows how the continents once were connected together (link to bigger map if you need…

A: Evolution is a step by step and gradual process that took millions of years to attain stability. It…

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: Martian meteorites found in Antarctica were determined to possibly contain life. Scientists looked…

A: Known as ALH 84001, the Martian rock whose remains were present in meteorites contained structures…

Q: Which of the following is NOT true for relative dating methods: A. Relies on observational skills B.…

A: The objective of the question is to identify the statement that is not true for relative dating…

Q: which statement about macroevolution is true? a. The history of life on Earth follows a general…

A: ANSWER;- c). The theory of gradualism proposes that major evolutionary changes that happen…

Q: When was the first mass extinction?

A:

Q: Fossils are remains of ancient organisms found in the rocks are categorized depending on their age.…

A: The remnants and evidence of ancient species are known as fossils. The preserved remnants or traces…

Q: Compare and contrast the difference between a prehistoric organism and modern-day organisms. What…

A: Answer

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: 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: Explain what significant events happened during the Five major extinction events between the late…

A: An extinction event (also recognized as a mass extinction) is a large-scale and sudden loss of…

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: Which of the following is associated with the Cenozoic era? O a. Warmer planet O b. Different…

A: The answer is given below:    The first two are associated with the Cenozoic era.

Q: What kinds of tool artifacts were found in the cave near Denisovan specimens?    A. Lithic…

A: The question is asking about the types of tool artifacts that were discovered in the cave where…

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: Plant life first appeared on land during which of the following periods? a. Cambrian period b.…

A: The palaeozoic era was divided into six periods and these were as follows: Cambrian Ordovician…

Q: Cenozoic Era

A: The Cenozoic era began about 66 million years ago and continues into the present, is the third era…

Q: According to "The Complex Evolution of Homo sapiens", for Homo sapiens that left Africa, what is the…

A: The objective of the question is to determine the time period in which Homo sapiens left Africa,…

Q: What is the difference between micro- and macroevolution? a. Microevolution describes the evolution…

A: MICRO EVLOUTION The change in allele frequency within the population. The mechanism involved in…

Q: Which of the following is characteristic of the end of the Paleozoic Era? a There was a mass…

A: As experts believe, the Earth was formed as a result of the Big Bang Explosion. The geological time…

Q: ss the major subdivisions of Geologic Time and its contributions to civilization in 100 words each…

A: The  time interval occupied by the geologic history of Earth is known as geologic time. The geologic…

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: In the figure below which letter is pointing to the EYE BROW RIDGE This is FOSSIL #1 below Top views…

A: The skull is an important and anterior component of the axial skeleton that houses the components of…

Q: This tropical area that existed 37-29mya provided was home to many various species, including…

A: The Rukwa Rift Basin is an endorheic rift basin in southwestern Tanzania that includes Lake Rukwa.…

Q: Use the following figure to answer questions 2 and 3. mya - million years ago 1,400 mya -1 bilkan…

A: Earth was formed in our solar system along with other planets, and its age is about one third of…

Q: Imagine you were asked to excavate fossils from deposits near the top of the Grand Canyon and near…

A: The Grand Canyon is a great place for researching Earth's geologic history since the canyon's rocks…

Q: Which of the following do not provide evidence that a meteor strike was a partial cause of the…

A: About 65.5 million  years ago KT extinction event occurred which wiped off the dinosaurs from the…

Q: Which of the following events did NOT occur during thePrecambrian?a. Formation of the ozone layerb.…

A: Introduction The Precambrian Period, which predates the current Phanerozoic Eon, is the earliest…