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  The term "evolution" is an apt term for this subject, because evolution is essentially a change in the heritable characteristics of biological populations. Genes are passed down from one parent to another during reproduction. The process of evolution is a natural process that changes the expression of genes and, hence, the biological population. It is not just a theory, but a real-world application of science. For example, a dog may display a long tail, while a fox might be short-haired and slender-bodied. Evolution is a biological phenomenon that can be divided into two categories: large-scale and small-scale. The former refers to the descent of different species from the same common ancestor, while the latter refers to the formation of...

Scientists are using data collection and computer simulations to learn about Earth's climate. These instruments measure the climate on the short and long time scales. Satellites constantly monitor the atmosphere, sea levels and land surface conditions, and ships equipped with sensors collect data about salinity and temperature over long time periods. In addition to observing the global climate, scientists also study how aerosols and anthropogenic emissions are affecting the planet's environment. Warming is a result of human activities, such as industrialization and the production of fossil fuels. It can cause the temperature of the Earth to increase by up to one or two degrees. Changing this natural greenhouse is one of the causes of the current global warming. In addition...

The question is, "Are birds feeling the heat in the warming Arctic?" Researchers in the Arctic are trying to find out. The average temperature of the region is already two degrees higher than the global average, but the warming Arctic is warming twice as fast as the rest of the planet. Because it is warmer, the environment is likely to become more intense and harsher, and wildlife in the area may be less able to tolerate it. One of the ways researchers have found that birds are feeling the heat is by observing their behavior in controlled environments. Some of the most common changes include less time for feeding and more time to cool down. Increasing the temperature in the...