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Sagot :
The correct option is D) the ratio of brain size to body weight for birds and mammals is about ten times greater than other groups of vertebrates. Any animal belonging to the subphylum Vertebrata, the most common subphylum of the phylum Chordata, is a vertebrate, commonly known as a Craniata.
In general, the brains of mammals and birds are around ten times larger than those of bony fish, amphibians, and reptiles with similar body sizes [3]. With the exception of prosimians, primates generally have larger brains than other orders of mammals with comparable body sizes. The prosimian mouse lemur Microcebus, with a brain weight of 1.67 g, is the smallest primate; Homo sapiens has a brain weight of 1350 g. Generally speaking, prosimians and tarsiers have relatively tiny brains with a range of 1.67-12.9 g (average 6.7 g), followed by New World and Old World monkeys with a range of 9.5-118 g (average 45 g) and 36-222 g (average 115 g), with baboons having the largest brains. The largest apes, including orangutans, gorillas , and chimpanzees, have brain weights of between 330 and 570 g.
Learn more about mammals here:
https://brainly.com/question/11363616
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