omplete the table by checking the correct column(s) for each statement. Paleozoic Cenozoic Mesozoic Era Statement Precambrian Era Era 6. Autotrophic prokaryotes enrich the atmosphere with oxygen. 7. Primates evolve and diversify. . 8. It is divided into three periods: Triassic, Jurassic, and Cretaceous. 9. Many types of insects, land plants, and the first land vertebrates appear. 10. Mammals appear. 11. Dinosaurs'roam the earth, and the ancestors of present-day birds evolve. 12. Reptiles appear.

Q: Mention the order of evolution of different life forms under Vertebrates in stages using tabular…

A: Evolution is the process by which an organism inherits or adapts favourable characteristics that…

Q: These are one of the most important fossil record of the early life forms here on Earth and formed…

A: Q.These are one of the most important fossil record of the early life forms here on Earth and formed…

Q: Write the era and period of each listed organism. Refer to geological time scale.

A: ERA PERIOD first vascular land plants Paleozoic   (ancient life forms) Ordovician jawed…

Q: Which statement is true about fossilization? (A) (B) (C) (D) Only animals with backbones…

A: Fossilization is the process of preserving plant and animal remains over a period of time by means…

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: Fossil Record: Transitional Fossil: Vestigial Structure: Biogeography: Homologous Structure:…

A: Any preserved remains, impression, or trace of any once-living thing from a past geological age is…

Q: Question: Which of the following puts the events in the history of life in the correct order?

A: Extinction  The process in which particular organism disappear from the earth and nowhere to be…

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

A: 2nd answer is cenozoic

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: Match the terms with the most suitable description. ____ lineage                         a. measured…

A: Evolution is the accumulation of genetic variations.

Q: What kind of fossils were formed out of dinosaur remains and activities? Why do you say so? (Give…

A: Dinosaurs lived many million years ago and they turned into fossils when they are dead. Almost 99%…

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: The current geological era is the ________.   Question 32 options:   Cambrian   Paleozoic…

A:

Q: 5. The Mesozoic Era extended over which of the following time periods in the fossil record? A. the…

A: Answer - B. The age of reptiles", from 251 million years ago to 65 million years ago.

Q: Name one or more common organisms that lived or lives during each of the three eras of geologic…

A: Answer: There are 3 main eras of geologic time : the Paleozoic, Mesozoic and Cenozoic era.

Q: B. Word Pool. Identify the term being described. Select your answer from the word pool below. EONS…

A: The geologic time scale is basically the system in which chronological dating and classification of…

Q: During the Early _______________, life consisted of prokaryotic cells, but by the end of this…

A: The major evolution evens since the origin of the earth have been categorized into three major eras.

Q: B. Word Pool. Identify the term being described. Select your answer from the word pool below.…

A: By accretion from the solar nebula, Earth was created 4.54 billion years ago, or roughly one-third…

Q: Radiometric dating uses the decay of              to             to determine how old fossils of…

A: Radiometric dating determines the age of historical objects in years via measuring the occurrence of…

Q: Indicate which of the following statements concerning biostratigraphy is true. a) fossils can only…

A: C. fossil can only be dated in ancient oceanic sediment layers is correct.

Q: Describe one of the major extinction events during the Late Paleozoic or Mesozoic (include when it…

A: Description of the major extinction event occurred in late paleozoic Or medozoic era.

Q: Given the life-style we live today, what pre-historic period gives us the ability to heat our homes,…

A: the ability to heat our homes, run our cars, and have a comfortable life was the ability of humans…

Q: The stone tool industry from the Lower and Middle Pleistocene modified from the first tool industry…

A: Answer is option 3.

Q: differetiate fossils and trace Fossils.

A: Fossils: - Fossils are mortal remains of the organisms who lived before. It means that the skeletons…

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: Give the stratigraphic arrangement of rock layers as shown below, the circles represent places where…

A: q 7 - the site should be 3   q 8 - the site should be 2

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: Cite and explain the factors that led to an enormous bloom of animal diversity in the Paleozoic era.

A: Paleozoic era began somewhere around 541 million years ago and ended around 252 million years. The…

Q: The scale on the bottom indicates the estimated timing of nodes (Mya = million yrs ago). Trioceros…

A: Introduction: Monophyletic is a Greek term which suggests organisms or species belonging to a single…

Q: Match the forms of life below with the earliest (approximate) time that it existed. Note: the earth…

A:

Q: Which of the following geologic and biologic events defined the Carboniferous period?   The age of…

A: The Carboniferous Period lasted from about 359.2 to 299 million years ago* during the late Paleozoic…

Q: Equater Permian - 225 million years ago Triassic - 200 million years ago Jurassic - 135 million…

A: Introduction Twenty million years ago the Indian and Asian continental plates clashed and pushed up…

Q: Table 10: Some Important Events in Geologic Time Era Period Triassic Epoch Event Age of Reptiles…

A: * Modern mammals have evolved from preceeding animals . * Formation of modern humans from azoic era…

Q: Fill in the blanks. The parentheses after the blank represent the choices for each blank.…

A: Gondwana was the ancient supercontinent which existed millions of years ago. At that time, primitive…

Q: Directions: Using the Geologic Time Scale, copy and complete the table below by supplying the blank…

A: Paleozoic era The era of ancient life began around 544 million years ago, when creatures formed hard…

Q: DIRECTIONS: Examine the illustrations of the marine organisms shown below whose fossils make up part…

A: * Darwin said that the Fossils records provide evidence that the living organisms evolved from many…

Q: Complete the flowchart about fossils. These terms may be used more than once: age, fossils,…

A: Fossils are solidified impressions of plants or animals that had once existed in the world. A lot…

Q: First evidence of Woolly mammoths in North America Fish with both lungs and gills Extinction of non-…

A: The geologic time scale (GTS) is an arrangement of sequential dating that classifies geological…

Q: Consider three important fossil SITES in Canada.   Name them.  Put them in order from the oldest to…

A: Fossil is defined as a preserved remains or imprint or tissues of the prehistoric organism. They are…

Q: We live in the Cenozoic era, and scientists know more about this era and the epochs it’s divided…

A: The term 'Cenozoic' refers to a period of time ranging from 66 million years ago to the present day.…

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: The field of geology helped to set the stage for the Theory of Evolution through an understanding…

A: Evolution is the science of how life evolves over ages, and evolutionary biology is the science of…

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: at is the term for an element that decays into another O A. Sediment O B. Mesozoic O C. Radioactive…

A: This is the physical phenomenon of certain elements of emitting energy in the form of radiation.

Q: Which of the following periods is the earliest during which animals may have appeared? a. Ordovician…

A: Extinction aids the evolution of life by making way for new species. The number of species going…

Q: DIRECTION: Complete the table by tracing the geologic timeline in which each organism started to…

A: The geological time scale is a chronological sequence of events that occurred on the earth…

Q: The graph shows biological diversity through time, from the early Permian through the late Triassic.…

A: The earth's geological scale is divided into various eras starting with the formation of the earth…

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…