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- A structure used for locomotion or attachment in an invertebrate animal, such as the muscular organ extending from the ventral side of a mollusk. 足部无脊椎动物用于移动或接连的结构,比如软体动物腹侧延伸的强壮器官
- A structure used for locomotion or attachment in an invertebrate animal,such as the muscular organ extending from the ventral side of a mollusk. 足部无脊椎动物用于移动或接连的结构,比如软体动物腹侧延伸的强壮器官。
- It is characterized by the appearance of algae and a proliferation of marine invertebrate animal forms, but no true plants. 特征是藻类的出现和海洋无脊椎动物的繁盛,但该时期没有出现真正的植物。
- A model reef for studying invertebrate animals creatures. 研究无脊椎动物生态的模型礁体。
- Myriapod animals were probably one of the invertebrate animal groups that first colonized the terrestrial ecosystem during Early Paleozoic. 摘要多足动物可能是最早人侵陆地环境的无脊椎动物之一。
- Nearly a century ago, biologists found that if they separated an invertebrate animal embryo into two parts at an early stage of its life, it would survive and develop as two normal embryos. 近一个世纪以前,生物学家发现,如果他们将一个在其生命早期的非脊椎动物胚胎一分为二,胚胎会存活并发育成两个正常的胚胎。
- A stalklike structure in invertebrate animals, usually serving as an attachment for a larger part or structure. 肉柄脊椎动物通常作为一个更大的部分或结构的附着物的茎状结构
- A stalklike structure in invertebrate animals,usually serving as an attachment for a larger part or structure. 肉柄脊椎动物通常作为一个更大的部分或结构的附着物的茎状结构
- An analogous organ or part in invertebrate animals,as in certain insects or mollusks. 喙,齿舌某些昆虫或软体动物等无脊椎动物所具有的舌状器官或身体部位。
- An analogous organ or part in invertebrate animals, as in certain insects or mollusks. 喙,齿舌某些昆虫或软体动物等无脊椎动物所具有的舌状器官或身体部位
- Any of various invertebrate animals, such as a sea anemone or sponge, that attach to surfaces and superficially resemble plants. 植形动物一种无脊椎动物,附着在表面而且看上去象植物一样,例如海葵和海绵
- Eyespot (stigma) A light-sensitive structure of certain protoctists and invertebrate animals. 眼点:某些原生生物和无脊椎动物的感光结构。
- This results in a water concentration which is approximately the same as that in the cytoplasm of marine plants and the invertebrate animals that live in the sea. 这就导致海生植物和海栖无脊椎动物细胞质中的水浓度与海水大致相同。
- Any of various invertebrate animals,such as a sea anemone or sponge,that attach to surfaces and superficially resemble plants. 植形动物一种无脊椎动物,附着在表面而且看上去象植物一样,例如海葵和海绵
- It is often unpleasant to see an anomaly animal. 见到一只畸形动物常常会使人感到不快。
- Any of numerous invertebrate animals of the phylum Arthropoda, including the insects, crustaceans, arachnids, and myriapods, that are characterized by a chitinous exoskeleton and a segmented body to which jointed appendages are articulated in pairs. 节肢动物一种节肢动物分类的节肢动物门无脊椎动物,包括昆虫,甲壳纲动物,蛛形纲动物和多足纲节肢动物,其特征为有一甲壳质成对连接副肢的外骨骼和分节的身体
- The animal is not used to the hotness of its new habitat yet. 这个动物还不习惯新栖息地的炎热。
- Any of various invertebrate animals of the phylum Coelenterata, characterized by a radially symmetrical body with a saclike internal cavity, and including the jellyfishes, hydras, sea anemones, and corals. 腔肠动物一种腔肠动物门的无脊椎动物,特征是有囊状腔的辐射对称体,包括水母、水螅、海葵和珊瑚
- The dying animal was found foaming at the mouth. 那只将死的动物被发现口吐白沫。
- Any of various invertebrate animals of the phylum Coelenterata,characterized by a radially symmetrical body with a saclike internal cavity,and including the jellyfishes,hydras,sea anemones,and corals. 腔肠动物,一种腔肠动物门的无脊椎动物,特征是有囊状腔的辐射对称体,包括水母、水螅、海葵和珊瑚。