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3 天前 · The cat ( Felis catus ), commonly referred to as the domestic cat or house cat, is a small domesticated carnivorous mammal. It is the only domesticated species of the family Felidae. Recent advances in archaeology and genetics have shown that the domestication of the cat occurred in the Near East around 7500 BC.
18 小時前 · The tiger ( Panthera tigris) is the largest living cat species and a member of the genus Panthera native to Asia. It has a powerful, muscular body with a large head and paws, a long tail, and orange fur with black, mostly vertical stripes.
3 天前 · The number π (/paɪ/; spelled out as "pi") is a mathematical constant that is the ratio of a circle's circumference to its diameter, approximately equal to 3.14159. The number π appears in many formulae across mathematics and physics. It is an irrational number, meaning that it cannot be expressed exactly as a ratio of two integers, although ...
1 天前 · The monarch butterfly or simply monarch ( Danaus plexippus) is a milkweed butterfly ( subfamily Danainae) in the family Nymphalidae. [6] . Other common names, depending on region, include milkweed, common tiger, wanderer, and black-veined brown. [7] .
18 小時前 · Katakana ( 片仮名 、 カタカナ, IPA: [katakaꜜna, kataꜜkana]) is a Japanese syllabary, one component of the Japanese writing system along with hiragana, [2] kanji and in some cases the Latin script (known as rōmaji ). The word katakana means "fragmentary kana", as the katakana characters are derived from components or fragments of more complex kanji.
1 天前 · A flower, also known as a bloom or blossom, is the reproductive structure found in flowering plants (plants of the division Angiospermae ).
5 天前 · A frog is any member of a diverse and largely carnivorous group of short-bodied, tailless amphibians composing the order Anura [1] (coming from the Ancient Greek ἀνούρα, literally 'without tail').
