| 单词 | altricial |
| 例句 | She says that newborn cardinal chicks are altricial, which means they're naked, blind, and reliant on their parents for everything. Bird Filmed Feeding Goldfish—Here’s Why 2017-08-03T04:00:00Z Babies that need a lot of care are called altricial babies, and animals that are born more developed are called precocial. See Which Animals Have the Most Enormous—and Tiniest—Babies 2015-08-28T04:00:00Z A human baby, however, emerges on the altricial side of the spectrum. Why giant panda cubs are so incredibly tiny 2015-08-25T04:00:00Z So men are why we were able to have altricial, big brained infants. Ladybusiness Anthropologist Throws Up Hands, Concedes Men Are the Reason for Everything Interesting in Human Evolution 2013-06-30T19:15:07.987Z Humans are an altricial species, which means that they’re born helpless. Cognitive Chickens and Memorable Sea Slugs 2013-05-15T15:45:00.207Z Scientists call this type of chick altricial, literally, “requiring nourishment.” City Room: Hawk Cam 2012: Answers About Bobby and Rosie, Part 1 2012-04-04T19:34:22Z Both pandas and people fall firmly on the altricial end of the spectrum. See Which Animals Have the Most Enormous—and Tiniest—Babies 2015-08-28T04:00:00Z Because they live near the top of the food chain, carnivores can “afford” to give birth to more altricial babies in a cave or den, and to raise their babies there. Why giant panda cubs are so incredibly tiny 2015-08-25T04:00:00Z Needless to say, the altricial chicks are even more helpless, so they can fall prey to just about any animal capable of finding and overpowering or dismembering them. Living the pelagic life: of oil, enemies, giant eggs and telomeres (petrels part II) 2012-03-14T15:15:00.213Z But other bird species are “altricial,” which means they are in need of more parental care. City Room: Answers About Pip and Violet, Part 2 2011-05-26T18:01:30Z The young of altricial birds, like orioles, and bluebirds, and thrushes, being born naked and helpless, have a reason for loving their nest-homes, so carefully and delicately built to shelter their nude infancy. Days Off And Other Digressions Marsupials don’t have placentas, and their young are so altricial when they come out that they’re practically fetal. See Which Animals Have the Most Enormous—and Tiniest—Babies 2015-08-28T04:00:00Z Bears especially can use their body reserves to nourish a growing fetus during a short gestation, and then can use different body reserves to nourish an altricial newborn with their fatty milk. Why giant panda cubs are so incredibly tiny 2015-08-25T04:00:00Z The altricial nature of panda cubs poses a challenge for scientists at the National Zoo who are trying to keep the two cubs alive and healthy. Why giant panda cubs are so incredibly tiny 2015-08-25T04:00:00Z |
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