intention
发表于 2025-3-28 17:44:52
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不可磨灭
发表于 2025-3-28 19:15:05
Designentscheidungen: Das DO-ID-Modellhroughout their reproductive life. At least within the genus ., ovulation may be restricted to a definite breeding season, but in ., females containing mature eggs have been found throughout the year, although the interval between successive ovulations is not known.
Constituent
发表于 2025-3-29 02:10:33
Reproduction and development,hroughout their reproductive life. At least within the genus ., ovulation may be restricted to a definite breeding season, but in ., females containing mature eggs have been found throughout the year, although the interval between successive ovulations is not known.
exceed
发表于 2025-3-29 03:51:29
Distribution, variety and life cycles,ision since little is known of their oceanic feeding ranges, but in the Northern Hemisphere lampreys certainly occur off the coasts of Northern Scandinavia, Siberia and Alaska, while in the Southern Hemisphere, . is known to feed in Antarctic waters (Section 12.4.3).
无可非议
发表于 2025-3-29 08:40:03
Respiration and feeding, the edge of the basal plate the teeth are everted, and once the jaws come into contact with the food they are then rapidly retracted, snapping the teeth together so biting or tearing off pieces which are transferred to the mouth.
Acclaim
发表于 2025-3-29 12:51:49
The heart and circulatory system, median dorsal aorta, which is continued forwards between the lateral vessels. The homologies of these vessels are by no means certain, but Holmgren (1946) considers that in its embryonic development, the dorsal aorta of . is closer to the gnathostome pattern than that of the lamprey.
Glucocorticoids
发表于 2025-3-29 19:20:09
The skeleton and the muscular system,lfactory capsule is connected to the membranes covering the brain only by fibrous tissue. In the course of metamorphosis, the trabeculae extend to form lateral cranial walls and the auditory capsules are united by a cartilaginous bridge (tectum synoticum). The anterior part of the hypophysial fenest
rheumatism
发表于 2025-3-29 20:09:18
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Inveterate
发表于 2025-3-30 02:46:47
Comparative biochemistry, immunology and cytogenetics,ve more detailed information on biosynthetic pathways and enzyme systems. An example is the erratic distribution of creatine even within animals belonging to the same taxonomic group (Watts and Watts, 1974). This nitrogenous compound has been found in the tissues of cephalochordates, myxinoids and l
叙述
发表于 2025-3-30 07:52:28
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