Which evolved during the paleozoic era?

Answers

Answer 1

Answer:

Fish, Arthropods, Amphibians, and Reptiles all evolved during the Paleozoic Era.

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Answer 2

Answer: Online exhibits : Geologic time scaleThe Paleozoic EraThe Paleozoic is bracketed by two of the most important events in the history of animal life. At its beginning, multicelled animals underwent a dramatic "explosion" in diversity, and almost all living animal phyla appeared within a few millions of years. At the other end of the Paleozoic, the largest mass extinction in history wiped out approximately 90% of all marine animal species. The causes of both these events are still not fully understood and the subject of much research and controversy. Roughly halfway in between, animals, fungi, and plants colonized the land, the insects took to the air, and the limestone shown in the photo at right was deposited near Burlington, Missouri.The Paleozoic took up over half — approximately 300 million years (542 mya to 251 mya)* — of the Phanerozoic. During the Paleozoic there were six major continental land masses; each of these consisted of different parts of the modern continents. For instance, at the beginning of the Paleozoic, today's western coast of North America ran east-west along the equator, while Africa was at the South Pole. These Paleozoic continents experienced tremendous mountain building along their margins, and numerous incursions and retreats of shallow seas across their interiors. Large limestone outcrops, like the one pictured here, are evidence of these periodic incursions of continental seas. The Paleozoic Era is bracketed by the times of global super-continents. The era opened with the breakup of the world-continent Pannotia and closed with the formation of Pangea, as the Earth's continents came together once again.Many Paleozoic rocks are economically important. For example, much of the limestone quarried for building and industrial purposes, as well as the coal deposits of western Europe and the eastern United States, were formed during the Paleozoic.The Paleozoic is divided into six periods: the Cambrian, Ordovician, Silurian, Devonian, Carboniferous (in the U.S., this is divided into the Mississippian and Pennsylvanian Periods), and Permian. Most of these names derive from locations where rocks of these ages were first studied. Cambria was the Latin name for Wales, and the Ordovices and Silures were two Welsh Celtic tribes. The Devonian is named for Devonshire, England. The Mississippian is named for the upper Mississippi River valley, not the state of Mississippi, which has very few rocks of this age; however, the Pennsylvanian is named for the state of Pennsylvania. The Permian was described from rocks in the region of Perm, a town in the Ural Mountains of Russia. The exception to this naming convention is the Carboniferous; its name means "coal-bearing," and this is a time when extensive coal beds were formed around the world

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The main task of state legislatures is to __________. A. create, pass, and amend state laws B. interpret the constitutionality of state laws C. enforce the laws created by state governors D. interpret the constitutionality of federal laws
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Cultural characteristics that are spread by mass media like movies and television are examples of cultural __________.

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Cultural characteristics that are spread by mass media like movies and television are examples of cultural diffusion.

Cutural diffusion is where cultural feature from one group was brought to anothe group under the infulence of different media.

In this case, cultural features would be spread by mass media, for example, through movies we get to see the American culture such as the clothings, slangs in language, food, etc. People then begin to learn or pick up the characteristics like wearing the same type of clothing, learning the styles of make up and using the slangs

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Answer:

The correct answer is A. diffusion.

Explanation:

Regarding the area labeled B, which best describes the characteristics of the ocean current in this location? A. warm, high salinity, and dense waters B. cold, high salinity, and denser waters C. warm, low salinity, and less dense waters D. cold, low salinity, and dense waters

Answers

Regarding the area labeled B, cold, low salinity, and dense waters are the best describes the characteristics of the ocean current in this location. Thus, option (b) is correct.

What is ocean?

The greatest area on earth is referred to as the "ocean." The ocean's 71% slat water has a light blue appearance. The motion of water waves is the ocean. Magnesium, calcium, and chlorine are abundant in the ocean. The ocean covers the large surface area of the Earth.

According to the characteristics of the ocean current as the given, the image was on the described. There are the based as the blue line was on, they indicate the current location. There are the cold and the low salinity, and the dense of the water. There are the labeled on the cold and the lower ocean in the location.

As a result, the area labeled B, cold, low salinity, and dense waters are the best describes the characteristics of the ocean current in this location. Therefore, option (b) is correct.

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Is it B?? I really think it's B :)

How many time zones are there in the continental United States?

Answers

4 time zones in the 48 contiguous states. (Eastern, Central, Mountain, Pacific)

1 more in Alaska

1 more in Hawaii

What is the width of the Taku Glacier at the 1000 ft contour line?

Answers

The width of the Taku Glacier at the 1000 ft. contour line can be estimated to be about 2 miles.

Final answer:

The Taku Glacier's width at the 1000 ft contour line is not explicitly given. The glacier is approximated to be roughly a thousand kilometers wide overall, with cells or polygons within it reaching an average width of over 30 kilometers.

Explanation:

The Taku Glacier, located in Southeast Alaska, is known for its intriguing geographical characteristics. According to the data provided which seems to describe the glacier at a global scale, the width of the Taku Glacier at the 1000 ft contour line is not explicitly given. However, it's important to note that the glacier as a whole is characterized as being roughly a thousand kilometers wide. This is a considerably large width for a glacier and showcases the scale of this natural formation. Additionally, it shows intriguing cells or polygons that have an average width of more than 30 kilometers. These dimensions indicate a wide and robust glacier structure.

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According to some scientists, which is a cause of global warming?decrease of nitrous oxide
increase in cloud cover
decrease of methane gas
increase in carbon dioxide

Answers

There are different reasons for global warming. According to some scientists, increases in carbon dioxide levels are the cause of global warming.

How does carbon dioxide cause global warming?

Due to CO2 and other greenhouse gases effect, there is global warming. This is mostly when CO2 is soaks up by infrared energy, it is said to vibrates and re-emits the infrared energy back in all directions.

Note that almost half of that energy goes out into space, and also an approximate of the same half of it returns to Earth as heat, thereby leading to the 'greenhouse effect. '

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According to some scientists, increases in carbon dioxide levels are a cause of global warming

How would ocean currents change if the earth did not rotate

Answers

The rotation of earth deflects some of the currents. if there is not rotation then the currents will be a lot larger than the ones that we have now

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