Without the K-Pg (K-T) mass extinction event, would mammals now dominate the earth?

Answers

Answer 1

The answer is no; without the K-T major extinction event, mammals would not currently be able to rule the planet. This is because, prior to the K-T mass extinction, creatures like enormous dinosaurs were prevalent. Dinosaurs, therefore, predominated the environment to a large extent.

What is known as the KT mass extinction?

The very last of the giant dinosaurs vanished along with the KT mass extinction. For many years, the K-T event, often known as the "mass extinction," was the subject of much speculation and theory among paleontologists.

The event's name is derived from the German words "Kreide", which refers to the chalky soil of the Cretaceous Period, and "Tertiary," which was formerly used to denote the time range between the Paleogene and Neogene periods. There were both herbivorous and carnivorous dinosaurs. As a result, it was improbable that mammals could have grown to such a great extent in the dinosaur-dominated environment.

To learn more about Cretaceous, visit:

https://brainly.com/question/21447123

#SPJ1


Related Questions

Introduction of Ingrid tropical cyclone​

Answers

Cyclone Ingrid serves as a reminder of the power and destructive nature of tropical cyclones and the need for preparedness, response, and recovery measures to mitigate their impacts.

What is Cyclone?

A cyclone is a weather phenomenon characterized by a large-scale system of low-pressure air circulation that rotates counterclockwise in the Northern Hemisphere and clockwise in the Southern Hemisphere. Cyclones are commonly known as hurricanes in the Atlantic and Eastern Pacific Ocean, typhoons in the Western Pacific Ocean, and cyclones in the Indian Ocean.

Tropical cyclones, also known as hurricanes, typhoons, or cyclones depending on the region, are powerful and destructive weather phenomena that form over warm tropical or subtropical waters.

Learn more about Cyclone from the given link

https://brainly.com/question/1222463

#SPJ9

For each change in an ocean basin or sea explain the role that seafloor spreading and subduction played in the change?

Answers

They contribute to the expansion or contraction of ocean basins, the formation of trenches, volcanic activity, and the formation of island arcs, all of which impact the geology and geography of these areas.

What is Ocean Basin?

An ocean basin is a large, relatively flat area on the Earth's surface that is covered by seawater and bounded by continental land masses. It is the portion of the ocean floor that lies between the continental margins and the mid-oceanic ridges. Ocean basins are characterized by their depth, shape, and geology, and they play a crucial role in the global circulation of seawater, climate patterns, and marine ecosystems.

Seafloor spreading and subduction are two fundamental processes that shape the geology and geography of ocean basins and seas.

Seafloor spreading and subduction are important processes that play a crucial role in shaping ocean basins and seas.

Learn more about Ocean Basin from the given link

https://brainly.com/question/19933652

#SPJ9

What do mountainous regions do to create flat land for farming?

Answers

Answer:

Explanation:

The pattern seen all over the world, practised by even the earliest cultivators in the mountains, is the system of creating terraced farms. Terraced farms are flat steps of land along the slope, cutting the steep mountain slope into flat patches, thus making it possible to cultivate on small pieces of flatland.

Answer:

Mountainous regions can create flat land for farming through a process called terrace farming. Terrace farming is a technique that involves cutting flat areas into the steep slopes of a mountain, creating a series of steps that can be used for farming.

To create a terrace, farmers first cut into the slope of the mountain to create a flat area. They then build a retaining wall, typically made of stone, to hold back the soil and prevent erosion. This creates a level platform on which crops can be grown. The process is repeated at regular intervals along the slope, creating a series of flat steps that allow for farming on what would otherwise be very steep and unusable terrain.

Terrace farming has been used for centuries in mountainous regions around the world, including in parts of Asia, South America, and Africa. It allows farmers to make use of land that would otherwise be too steep to farm, and it also helps to reduce soil erosion and water runoff, which can be major problems in mountainous regions.

Overall, terrace farming is an effective way to create flat land for farming in mountainous regions, and it has played an important role in enabling people to live and work in some of the most challenging environments on Earth.

Explain the difference between melting a metal and smelting metal ore. Be sure to give a basic smelting reaction

Answers

Answer: See Bellow

Explanation:

Melting a metal involves heating solid metal to its melting point, causing it to change from a solid to a liquid state. This process shapes metals into different forms, such as casting molten metal into molds to create specific shapes.

Smelting is a chemical reaction that reduces the metal oxide in the ore to the metal itself. On the other hand, smelting metal ore is extracting a metal from its ore by heating it with a reducing agent (such as carbon) to remove the oxygen and other impurities, leaving behind the metal. The resulting metal may then be melted to shape it as desired.

A primary smelting reaction for the extraction of iron from its ore (iron oxide) can be represented as follows:

Fe2O3 + 3CO → 2Fe + 3CO2

In this reaction, iron oxide reacts with carbon monoxide (CO) to produce iron (Fe) and carbon dioxide (CO2) as the byproduct. This reaction is carried out in a blast furnace, where the iron ore, coke (a form of carbon), and limestone (used as a flux to remove impurities) are fed into the furnace from the top. The coke burns in the hot air blast to produce carbon monoxide, reducing iron oxide to iron. The molten iron sinks to the bottom of the furnace and is then tapped off for further processing.

Would you be willing to pay higher taxes in order to fund measures that would prevent the pollution of the groundwater that serves as your drinking water supply? If yes, explain. If no, explain as well.

Answers

Yes, I would be ready to pay greater taxes to support policies that would guard against the tainting of the groundwater that supplies my source of drinking water. After all, clean and pure water is crucial.

How can the issue of safe drinking water be resolved?

A sound and efficient sewage system is the foundation for the availability of clean drinking water. Without proper sanitation, a region's water gets contaminated with disease and a host of other issues. We can stop the water shortage from getting worse by making improvements to the sewage systems in these locations and improving the water quality and enhancing its supply.

Why should the government supply all of its residents with clean drinking water?

Everyone must have access to clean, sufficient drinking and cooking water as well as latrines that do not jeopardize health or dignity.

To learn more about groundwater visit:

brainly.com/question/14241380

#SPJ1

For today’s weather, it’s up to you to decide where the fronts are located. Draw the fronts on the map. Explain your reasoning.

Answers

There are four main types of fronts: cold fronts, warm fronts, stationary fronts, and occluded fronts.

What are Weather Fronts?

Weather fronts are boundaries between air masses of different temperatures and moisture levels.

When these air masses meet, they create a front, which can result in changes in temperature, wind, and precipitation.

The location and movement of these fronts can be influenced by many factors, including pressure systems, wind patterns, and topography.


Read more about weather fronts here:

https://brainly.com/question/736073
#SPJ1

Oceania is made up of island nations, many of which are very small and
isolated from one another. Which of the following words describes a cultural
trait that the cultures of Oceania share due to their isolation?
OA. Homogeneity
B. Lack of Development
C. Unity
D. Diversity

Answers

Answer:

A. Homogeneity

B. Lack of Development

Explanation:

i think mostly A

Other Questions
given the equation3cl2 8nh3 =n2 6nh$cl how many moles of nh3 are required to produce 12 moles of nh4cl Which techniques would be best for separating a colloid mixture but would not work well with solutions? Check all that apply.distillationcentrifugationboiling/heatingchromatographycrystallizationlong standing in the abo blood system, what genotypes do two parents need to have in order to be able to produce children with all the possible abo blood types. please select all that apply.a.IA IBb.iic.IA id.IB ie.IA IAf.IB IB The volume of a sample of oxygen is 200.0 mL when the pressure is 3.000 atm and the temperature is 37.0 C. What is the new temperature if the volume increases to 400.0 mL and the pressure decreases to 2.000 atm? Describe two features of the social hierarchy in elizabethan england Major League Apparel has two classes of stock authorized: 6%, $10 par preferred, and $1 par value common. The following transactions affect stockholders' equity during 2015, its first year of operations:January 2 Issue 110,000 shares of common stock for $70 per share. February 14 Issue 60,000 shares of preferred stock for $12 per share. May 8 Purchase 11,000 shares of its own common stock for $60 per share. May 31 Resell 5,500 shares of treasury stock for $65 per share. December 1 Declare a cash dividend on its common stock of $0. 25 per share and a $36,000 (6% of par value) cash dividend on its preferred stock payable to all stockholders of record on December 15. The dividend is payable on December 30. (Hint: Dividends are not paid on treasury stock. ) December 30 Pay the cash dividends declared on December 1. Required: a. Record each of these transactions. b. Prepare the stockholders' equity section of the balance sheet as of December 31, 2015. Net income for the year was $490,000 what maximum output would you expect from a wind turbine with a blade of diameter 20 ft. in a 15-mph wind? choose the best answer. the product owner's authority to change and update the product backlog is unlimited, except for: (choose the best answer) there are no exceptions; the entire organization must respect a product owner's decisions. items the scrum master has identified as impediments. technical and architectural work that needs to be done first, as indicated by the chiefenterprise architect. decisions by the chief program manager. decisions by the cfo, the ceo or the board of directors. high impact changes that have not been approved by the change request board. A cylinder has a height of 9 millimeters and a radius of 14 millimeters. What is its volume? Use 3.14 and round your answer to the nearest hundredth. . a network engineer is troubleshooting a network problem where users cannot access the ftp server at the same ip address where a website can be successfully accessed. which troubleshooting method would be the best to apply in this case? what is the major limitation of personalized genomics as it currently exists? sequencing large quantities of dna remains prohibitively expensive. there are only a few thousand snps known in the human genome. pharmacogenomics should be effective at reducing the incidence of adverse side effects from drugs. most diseases are influenced by a large number of genetic and non-genetic factors. dna microarrays can be used to examine genetic variation more rapidly than sequencing. I would like assistance in my final paper for British literature, may anyone please assist me? The cost of producing a low-quality cup is $10. If the producer uses high quality row material it cost the firm $14 to produce a high-quality cup. The both cups look like completely the same and there is no way for Consumers to distinguish between two kind of cups when they make their purchases. There are four firms in the mark producing cups. Consumers value cups at their cost of production and are risk neutral.(a) Will any of the four firms be able to produce high-quality cups without making losses? Explain. (7 pts)(b) What happens if consumers are willing to pay $34 for high-quality cups? (8 pts) how were the victims of Racims in both germany in south Africa What was the GDP for Brazil in 2017 the average number of phone inquiries per day at the emergency center is four. find the probability that it will receive five calls on a given day. An artist who sells his paintings to a gallery is paid a share of the revenue which the gallery earns from selling his painting to consumers, where the revenue is R = pq.p = $20 is the competitive market price for paintings, and q is the number of paintings sold. Let us assume that the gallery only sells this artists paintings and the gallerys cost is C(q) = 2q 2 .Determine the equilibrium, and compare it to the outcome that maximizes the sum of the payment to the painter plus the gallerys profit. Show your answer using math and a graph. Sample Response: One feature shown in this passage is a supernatural force intervening in human affairs. The voice of Shamash, a god, encourages Gilgamesh to attack Humbaba. The god informs Gilgamesh that it is the best moment to attack. This feature has an impact on the plot because it drives Gilgamesh to action and helps him succeed in battle. Because Shamash helps Gilgamesh, Gilgamesh is able to face and overcome challenges. What details did you discuss in your response? a. the feature of a supernatural force intervening in human affairs b. the feature's impact on the plot (for example, the fact that it enables Gilgamesh to overcome his challenge)c. evidence from the passage in the united states, individuals accused or suspected of a crime are entitled to , which protects them from arbitrary action by . a carpel is composed of _____. a carpel is composed of _____. stigma, style, and ovary ovule, megasporocyte, and anther petal, sepal, and stamen ovary, ovule, and anther