How are the different periods in the history of the earths broken up?

Q: What geologic evidence is left after a continent breaks apart?

A: Geology is a branch of earth sciences. This branch of earth sciences deals with both the liquid and…

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: what is the relative age of the igneous rock?

A: Igneous rocks, also known as magmatic rocks, are formed by the cooling and solidification of the…

Q: The heaviest elements during the Earth’s formation were what?  What part of the Earth did they form?…

A: The structure of the earth is divided into four major components: the crust, the mantle, the outer…

Q: List the major events of the Precambrian supereon and of thePaleozoic, Mesozoic, and Cenozoic eras`

A: Precambrian supereon consists of the period before Cambrian and hence the name pre-Cambrian eon. It…

Q: What is the inner most part of the earth?

A: Earth can be divided into three main layers; Core Mantle Crust(divided into inner and outer core)

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: What is a mass extinction?  What makes the 6th mass extinction that is happening right now different…

A: Mass extinction is when a species vanishes or goes extinct much faster than they are replaced.  It…

Q: What were the "north American megafauna" (name a species or 2) and what are the main reasons they…

A: Megafauna is often described as large animals with weight of over 45 kilograms, living in an…

Q: What factors contribute to macroevolution?

A: Microevolution is outlined as changes at intervals in a species that is not forceful enough to make…

Q: In 1983, a team of scientists discovered a fossilized bone of a giant bird when excavating land in…

A: Fossil A remnant or imprint of extinct animals or plant on rocks, deep sea, or snow is known as…

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: What is required for macroevolution?

A: Evolution can be defined as the change in the heritable characteristics of populations over…

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…

Paleontology

A branch of science concerning the scientific study of life from ancient times is known as paleontology. The scientists working on paleontology are known as paleontologists. Paleontologists collect the fossils of organisms from ancient times to classify them. The paleontologists also study the environment from ancient times to study the interactions between different organisms.