Explain the consequences of plate tectonics for lifeon Earth.

Q: What is the difference in oceanic and continental crust?

A: Oceanic crust- Located beneath the ocean Thinnest,6-35km Youngest crust It is densest as a…

Q: Describe the geological points at which mass extinctionsoccurred and give one proposed cause for…

A: Mass extinction can be defined as the event in which a huge amount of loss of biodiversity took…

Q: Hundreds of millions of years ago, Earth’s landmasses were joinedinto one supercontinent, Pangaea.…

A: Hundreds of million years ago, the Earth landmass appeared as one supercontinent known as pangaea.…

Q: The scale of geologic time is difficult for anyone to comprehend, let alone a budding scientist. The…

A: The geological time scale helps in determining the age of the earth and the time zone under which a…

Q: 1. What are the evidences gathered by Alfred Wegener to support his Continental Drift Theory A.…

A: 1. Alfred Wegener proposed the theory of Continental Drift. According to the hypothesis, the…

Q: The movement of landmasses that have changed their positions, shapes, and association with other…

A: Evolution is the process of slow and gradual change over a period of time. There are a lot of…

Q: Geoparks Find a Geopark, where the geology is characterized by igneous formations. Give a…

A: In conservative biology, geo parks are defined as an area under protection and sustainability with…

Q: According to the stratigraphic system which was eventually used by Scottish geologist Charles Lyell,…

A: The objective of the question is to identify the correct time period that corresponds to the…

Q: Describe in chronological order the periods of Earth’shistory, and identify one major biological…

A: Chronological refers to events that happened as they relate to time. It is the geologic time scale…

Q: Name the seven major tectonic plates found on Earth.

A: the lithosphere is the outermost, crusty, and the coolest layer of the bulk of earth. it where the…

Q: How does the burning of fossil fuels lead to the imblance of all of earth systems

A: Fossil fuels called exhaustible resources are made from fossils of the prehistoric organism in a…

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: outline major stages in life evolution, and describe how the landsurface changed as life evolved.

A: The period from 4600 mya to 2500 mya is called Archean eon.

Q: Event How Long Ago? # Organisms Extinet Causes Cretaceous

A: Cretaceous extinction :  Cretaceous extinction took place about 66 millions ago . Organisms which…

Q: Illustrate the relationship between major geologic change, extinctions, and evolutionary trends.

A: Evolution, is both a fact and a theory. It is an incontrovertible fact that organisms have changed,…

Q: List down some factors why life histories evolve differently in the sea?

A: Life history of refers to the patterns of survival of organisms, their reproduction patterns, the…

Q: evolution of living organisms

A: Earth's life was evolved by single-celled organisms and as Charles Darwin suggested in his theory…

Q: Name the study of possible life outside the earth.

A: Our universe is made up of millions of galaxies within which contain within itself billions of stars…

Q: Life originated from the earth’s inorganic atmosphere in the post, but this no longer happens today.…

A: Theories from various scientists propose that in Earth's prebiotic history, simple organic matter…

Q: Has the number of species on Earth increased steadily since the origin of life?

A: Ans: Species: The species are those which are capable of interbreeding and producing the offspring.…

Q: Imagine that a species of flightless bird lived on the supercontinent Laurasia during the Jurassic…

A: The movement of tectonic plates in the geological time resulted in the splitting of single landmass…

Q: Why was it believed that life began in the seas and not in land or air? * Land and air were…

A: Option a is correct  Land and air were inhospitable places for life during the archean eon.

Q: Describe the conditions that scientists think existed on early Earth.

A: Introduction  The origin of life on earth can be traced back to 3.4 billion years ago and as we now…

Q: What are the 3 layers of the earth

A: The distance from beneath your foot to the center of the earth is approx 6,371 Km.  The internal…

Q: What did Wegener call the giant land million years ago? Pangaea O Big Ol' Continent Gigantia…

A: The supercontinent began to break apart about 200 million years ago, during the Early Jurassic Epoch…

Q: List five pieces of evidence that support continental drift.

A: Continental drift the is movement of the continent which were once joined together to form a super…

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: When was the first hydrothermal vent community found in the Indian Ocean?

A: Underwater volcanoes at spreading ridges and convergent plate boundaries produce hot springs known…

Q: Relative dating of sedimentary rock is location specific due to Differences in fish assemblages…

A: Limestone and sandstone are types of sedimentary rocks.

Q: What is Plate Tectonics and what was used as proof?

A: The study of geology, the lithosphere, and the large-scale structure of Earth's interior, as well as…

Q: Identify critical events on a time line of life on Earth and explain their evolutionary importance.

A: The important occurrences in the development of life on Earth are depicted on a timeline in…

Q: What are plat tectonics

A: Earth is divided into land part and ocean part. A huge large chunk of land is present later around…

Q: The term Anthropocene implies that

A: Epoch, in general, termed as a very important period of time in history

Q: n Stanley Miller’s experiment to recreate the early Earth conditions that gave rise to life,…

A: The Stanley miller's experiment is also called miller-Urey experiment. It was a chemical experiment…

Q: What's the earth crust?

A: Earth is a planet that is made up of the lithosphere, hydrosphere, and atmosphere. All of these…

Q: If Marine communities dominated during the Early Paleozoic, why move to land? What would an…

A: Paleozoic era was a major interval of geologic time that began 541 million years ago and ended about…

Q: Which of the following are useful for reconstructing ancient environments? Group of answer choices…

A: Option 1 is correct because glacial ice contains dust, air bubbles, or isotopes of oxygen that can…

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: Sketch and label a geologic time scale. Include dates of the following events in Earth History on…

A: First of all let's prepare and analyse the events in The form of concept sketch. The events given in…

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: To what extent might ocean habitats have changed over long periods  of geological time? How might…

A: The ocean may appear to be a vast and constant expanse, but the world under the waves has changed…

Q: Which of the following is not a unit of geologic time? A epoch millennium era

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

Microbes

Microbes are microscopic living organisms that can only be detected with the help of specialized laboratory equipment called a microscope. These living organisms are so small that they are not visible to the naked eye.