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Read the text and answer the following question.


Blue Whales

    Blue whales are the largest animals ever known to have lived on Earth. These magnificent marine mammals rule the oceans at up to 30 meters  long and up wards of  200 tons. Their  tongues alone can weigh as much as an elephant. Their hearts, as much as an automobile.

    Blue whales are baleen whales, which means they have fringed plates of fingernail-like material, called baleen, attached to their upper jaws. The giant animals feed by first gulping an enormous mouthful of water, expanding the pleated skin on their throat and belly to take it in. During the certain times of the year, a single adult blue whale consumes about 4 tons of krill a day.

    Blue whales look true blue underwater, but on the surface their coloring is more a mottled blue-gray. Their underbellies take on a yellowish hue from the millions of microorganisms that take up residence in their skin. The blue whale  has a broad, flat head and a long, tapered body that ends in wide, tringular flukes.

    Blue whales lives in all the wolrd’s ocean occasionally swimming in small groups but usually alone in pairs. They often spend summers feeding in polar waters and undertake lengthy migrations towards the Equator as winter arrives.

    Blue whales are among Earth’s longest-lived animals. The oldest blue whale found using this method was determined to be around 110 years old. Average lifespan is estimated at around 80 to 90 years.

    Between 10.000 and 25.000 blue whales are believed to still swim the world’s oceans. Aggressive hunting in the 1900s by whalers seeking whale oil drove them to the brink of extinction. Between 1900 and the mid-1960s, some 360.000 blue whales were slaughtered. They finally came under protection with the 1966 International Whaling Commission, but they’ve managed only a minor recovery since then.

    Blue whales have few predators but are known to fall victim to attacks by sharks and killer whales, and many are injured or die each year from impacts with large ships. Blue whales are currently classified as endangered on the World Conservation Union (IUCN) Red List.

Find the main idea of each paragraph.

D. Enty

Master Teacher

Jawaban terverifikasi

Jawaban

dapat disimpulkan ide pokok paragraf ketujuf adalah "threats of blue whales" yang artinya ancaman paus biru.

Pembahasan

Kalimat pada soal memiliki arti "Temukan ide pokok pada setiap paragraf".

Ide pokok merupakan hal utama yang dibahas dalam sebuah paragraf dan merupakan gambaran dari keseluruhan isi paragraf. Kita dapat menentukan ide pokok suatu paragraf dari kalimat awal, kalimat pendukung dan juga kata kunci (keywords)

Pada paragraf pertama, kalimat awal menjelaskan "Blue whales are the largest animals ever known to have lived on Earth." Pada bagian ini, cukup menyampaikan ide pokok paragraf ini, yakni tentang ukuran paus biru. Ditambah dengan keterangan yang ada di kalimat pendukung, yaitu "These magnificent marine mammals rule the oceans at up to 30 meters  long and up wards of  200 tons." yang lebih menjelaskan tentang ukuran paus biru. Jadi, ide pokok paragraf pertama adalah "the size of blue whales".

Pada paragraf kedua, kalimat awal paragraf "Blue whales are baleen whales, which means they have fringed plates of fingernail-like material, called baleen, attached to their upper jaws." memberitahukan alat mengunyah paus biru, yaitu "baleen" yang artinya sistem penyaring. Namun, itu tidak cukup untuk mengetahui ide pokok paragraf kedua. Di kalimat pendukung, "During the certain times of the year, a single adult blue whale consumes about 4 tons of krill a day." kita mengetahui bahwa fungsi sistem penyaring pada paus biru berfungsi untuk mencerna empat ton krill. Artinya, ide pokok paragraf kedua adalah "the diet of blue whales" artinya pola makan paus biru.

Pada paragraf ketiga, kalimat awal "Blue whales look true blue underwater, but on the surface their coloring is more a mottled blue-gray." menjelaskan penampilan warna yang dimiliki paus biru. Lalu, pada kalimat pendukung "The blue whale  has a broad, flat head and a long, tapered body that ends in wide, tringular flukes." dijelaskan lebih detil bentuk fisik paus biru seperti kepalanya yang lebar, dan badan yang runcing. Jadi, jika dilihat dari kalimat awal dan kalimat pendukung dapat disimpulkan ide pokok paragraf ketiga adalah "physical appearances of blue whales" yang artinya penampilan fisik paus biru.

Pada paragraf keempat, kalimat awalnya "Blue whales lives in all the wolrd’s ocean occasionally swimming in small groups but usually alone in pairs."  Pada kalimat ini dijelaskan kalau paus biru hidup di seluruh samudra di dunia. Jadi dapat disimpulkan ide pokok paragraf keempat adalah "habitat of blue whales" yang artinya tempat tinggal paus biru.

Pada paragraf kelima, kalimat awal "Blue whales are among Earth’s longest-lived animals" menjelaskan bahwa paus biru termasuk hewan dengan usia terlama. Di kalimat selanjutnya bahkan dijelaskan " Average lifespan is estimated at around 80 to 90 years." bahwa usia paus biru rata-rata sekitar 80-90 tahun. Jadi, dapat disimpulkan ide pokok paragraf kelima adalah "the age of blue whales"

Pada paragraf keenam, kalimat awal "Between 10.000 and 25.000 blue whales are believed to still swim the world’s oceans." menjelaskan bahwa terdapat 10.000 sampai 25.000 paus biru hidup sampai saat ini. Lalu, dijelaskan pula di kalimat selanjutnya, "Between 1900 and the mid-1960s, some 360.000 blue whales were slaughtered." sekitar tahun 1900 sampai pertengahan 1960-an, sekitar 360.000 paus biru dibantai. Jadi, dapat disimpulkan kalau ide pokok paragraf keenam menjelaskan "The number population of blue whales." yang artinya jumlah populasi paus biru.

Pada paragraf ketujuh, kalimat awal "Blue whales have few predators but are known to fall victim to attacks by sharks and killer whales, and many are injured or die each year from impacts with large ships." menjelaskan bahaya atau ancaman yang dihadapi paus biru seperti predator dan tertabrak kapal besar. Jadi, dapat disimpulkan ide pokok paragraf ketujuf adalah "threats of blue whales" yang artinya ancaman paus biru.

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