刺穿
发表于 2025-3-26 21:57:55
https://doi.org/10.1007/978-981-33-6804-0ow palaeontologists, to believe that the fragile embryonic stages of invertebrate animals could be fossilised, that there was a fossil record of animal embryology, that this record hailed from the interval of time in which animal body plans were first established, and that it had been awaiting disco
推测
发表于 2025-3-27 02:17:20
https://doi.org/10.1007/978-981-10-2290-6igin of these animals. These authors also suggested placing them among the earliest active predator metazoans and argued that the ancestral chaetognaths were planktonic with possible ecological preferences for hyperbenthic niches close to the sea bottom. Today, the taxon Chaetognatha comprises more
Etching
发表于 2025-3-27 06:20:03
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endocardium
发表于 2025-3-27 09:55:47
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institute
发表于 2025-3-27 15:40:39
EvoDevo and Its Significance for Animal Evolution and Phylogeny,e notochord in the larva of the latter (Chap. XX). This does not imply, however, that the relationships between ontogeny and phylogeny are always easy to discover or that these follow simple and perhaps universal principles such as Haeckel’s (1866) “biogenetic law.” Haeckel’s recapitulationist views
Frequency
发表于 2025-3-27 18:19:23
Homology in the Age of Developmental Genomics,rigorous definition. Homology shares this attribute with other fundamental concepts like that of species or gene. In addition, homology is hard to pin down mechanistically. Apparently, homology is among the concepts biologists have a hard time living with but certainly can’t live without. This situa
令人悲伤
发表于 2025-3-28 00:07:52
Embryology in Deep Time,ow palaeontologists, to believe that the fragile embryonic stages of invertebrate animals could be fossilised, that there was a fossil record of animal embryology, that this record hailed from the interval of time in which animal body plans were first established, and that it had been awaiting disco
aggrieve
发表于 2025-3-28 05:30:10
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努力赶上
发表于 2025-3-28 06:55:53
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疏远天际
发表于 2025-3-28 13:23:05
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