Skip to main content

The cow will remain the largest mammal on Earth, learn why?

Cows may remain the largest mammals on earth in a few centuries, according to a new study examining the extinction of large mammals as humans populate every corner of the globe.

The spread of mankind and associated species like Neanderthals from Africa thousands of years ago coincided with the extinction of megafauna such as mammoths, toothed tigers, and gliptodon, a creature similar to armadillon but the size of a car.

"Humans targeted large species of meat, while smaller creatures like rodents escaped," the report said, examining the trend over 125,000 years. In North America, the average body mass of mammals has been reduced to 7.6 kg from 98 kg when people arrived. If the trend continues, the largest mammal above ground in a few hundred years, could be a tamed cow of about 900 kg, the researchers write. This means that elephants, giraffes and hippopotamus will be lost. In March, the last white male rhinoceros on earth died in Kenya.
However, other reports cast doubt on the continued reduction of mammals, in part because of efforts to repel threats to wildlife such as climate change, loss of forest habitats, pollution and expanding cities.

Comments

Popular posts from this blog

Why is family important?

While we are young, the family is the cornerstone of our basic needs: it is our first information to get to know the world. The family teaches us to think about ourselves and others. Also, our emotional foundations depend on how parents treat us, and what messages we receive from their behavior. Children are convinced that everything parents say is true and true. When the parent makes a judgment about the child's core value, that thought becomes a fact in the child's consciousness. If parents tell their children that they are good, valuable, and loving, then they will form positive and confident thoughts. They will treat others well, because they will find that they deserve it. However, if parents' behavior is negative towards their children considering them worthless, then those children will harmonize their lives with such negative thoughts. The negative beliefs that children create about themselves continue to persist into adulthood. For example, these negative self-t...

Acid rain is a type of rain or any other form of precipitation that has an unusual level of acidity

Which means it has a high level of hydrogen ions (low pH). It can cause harmful effects on plants, aquatic animals and infrastructure. Acid rain is caused by the emission of sulfur dioxide and nitrogen oxide, which interact with water molecules in the atmosphere and create acids. Since the 1970s, governments have made efforts to lower the level of sulfur dioxide released into the atmosphere, achieving positive results. Nitrogen oxides can be produced naturally by lightning strikes while sulfur dioxide from volcanic eruptions. Chemicals in acid rain can cause paint to be removed, corrosion of steel structures on bridges and erosion of stone statues.  Formation of acid rain Creating acid rain Due to the release of acidic gases into the atmosphere and their solubility in raindrops, it then collapses into such acidic soil. In normal rain conditions there is a small amount of acidity. This rate depends on the amount of CO2 dissolved in it, as well as small amounts of chlorine. By standar...

Why 'Wherefore Art Thou Romeo' Mean?

O Romeo, Romeo! Wherefore art thou Romeo? Because of the base word where , modern ears often interpret this line as asking the question: “Where are you, Romeo?” In fact, it’s asking, “Why are you Romeo?” The following line gives us a clue: Deny thy father and refuse thy name. Since what kept the lovers apart was their feuding families, they could be together without impediments if he had a different name. Why was he Romeo? (Indeed, a few lines later, Juliet asks, “What’s in a name? That which we call a rose/By any other name would smell as sweet.”) The fact is, adding prepositions to where was an unusually productive way to make words in English. In these compounds, where meant “what” or “which,” so that, for example, whereon meant “on what” and wherein meant “in what”—and wherefore meant “for what,” or “why.” Shakespeare used it in other plays as well: But wherefore do you droop? why look you sad? —Shakespeare, King John, Act 5, Scene 1 Wherefore was I born? ...