oviparous

简明释义

英[əʊˈvɪpərəs]美[oʊˈvɪpərəs]

adj. [动] 卵生的；产卵的

英英释义

单词用法

同义词

反义词

例句

1.Every birds bird is oviparous, and it is viviparity however.

凡禽鸟都是卵生，而它却是胎生的。

2.We studied relationships among body size, clutch size, and egg size and female reproductive characteristics in five species of oviparous colubrid snakes from Zhoushan islands, Zhejiang, China.

阐明五种游蛇科动物雌体大小、窝卵数和卵大小之间的关系和雌性繁殖特征的种间差异。

3.We studied relationships among body size, clutch size, and egg size and female reproductive characteristics in five species of oviparous colubrid snakes from Zhoushan islands, Zhejiang, China.

阐明五种游蛇科动物雌体大小、窝卵数和卵大小之间的关系和雌性繁殖特征的种间差异。

4.Active in daytime; oviparous; body color changes according to the environment.

日行性，卵生。体色会随环境的不同而改变。

5.Birds, fish, and amphibians are "oviparous".

鸟类、鱼和两栖类是“卵生”的动物。

6.Female specific proteins, containing vitellin (Vn) and vitellogenin (Vg), are main nutrition resource in early stage of life for oviparous animals.

雌性蛋白包括卵黄蛋白和卵黄蛋白原，是卵生类动物早期生命阶段中主要的营养物质来源。

7.The life cycle of oviparous insects often includes a larval stage after hatching.

卵生的昆虫的生命周期通常包括孵化后的幼虫阶段。

8.The term oviparous is used to describe animals that reproduce by laying eggs.

卵生的这个术语用于描述通过下蛋来繁殖的动物。

9.Many species of reptiles are oviparous, meaning they lay eggs instead of giving birth to live young.

许多爬行动物是卵生的，这意味着它们下蛋而不是生育活幼崽。

10.Some fish, like salmon, are oviparous and migrate upstream to spawn.

一些鱼类，比如鲑鱼，是卵生的，并会逆流而上产卵。

11.Birds are typically oviparous, as they reproduce by laying eggs in nests.

鸟类通常是卵生的，因为它们通过在巢中下蛋来繁殖。

作文

The animal kingdom is a vast and diverse realm, showcasing a variety of reproductive strategies that have evolved over millions of years. One fascinating category of reproduction is that of the oviparous animals, which are those that lay eggs, with embryos developing outside the mother's body. This method of reproduction is observed in many species, including birds, reptiles, amphibians, and even some fish. Understanding the characteristics and advantages of oviparous reproduction can provide insight into the evolutionary adaptations of these creatures.Oviparous animals typically produce eggs that contain all the nutrients necessary for the developing embryo. These eggs are often laid in safe environments where they can incubate until the young hatch. For instance, birds build nests to protect their eggs from predators and environmental hazards. In contrast, reptiles may bury their eggs in sand or soil, allowing the warmth of the earth to incubate them.One of the significant advantages of being oviparous is the ability to produce a large number of offspring at once. This strategy increases the chances of survival for at least some of the young, despite the high mortality rates that many eggs face due to predation or environmental factors. For example, a single sea turtle can lay hundreds of eggs in one nesting season, knowing that only a small fraction will survive to adulthood.Another advantage of oviparous reproduction is that it allows for greater mobility and flexibility in habitat selection. Since the eggs are laid away from the mother, she can continue to forage for food and avoid potential threats. This separation can be particularly beneficial in harsh environments where resources are scarce. Moreover, laying eggs in varied locations can help ensure that not all offspring are exposed to the same dangers, such as disease or habitat destruction.However, being oviparous also comes with its challenges. The eggs must be protected from environmental extremes, such as temperature fluctuations and humidity changes. Some species have developed unique adaptations to address these challenges. For instance, certain frogs exhibit parental care by guarding their eggs until they hatch, while others may carry their eggs on their backs or in their mouths to protect them.In addition to these biological aspects, the oviparous lifestyle has cultural significance in many societies. For example, eggs are often associated with fertility and new beginnings in various cultures, symbolizing life and renewal. This symbolism extends beyond the animal kingdom, influencing art, literature, and even culinary practices around the world.In conclusion, the study of oviparous animals reveals a complex interplay between reproductive strategies and environmental adaptations. These creatures have evolved remarkable methods to ensure the survival of their species, demonstrating the incredible diversity of life on our planet. As we continue to explore and understand these fascinating animals, we gain valuable insights into the processes that shape our natural world. Whether observing the delicate nests of birds or the hidden eggs of reptiles, the oviparous approach to reproduction remains a vital aspect of animal biology that highlights the ingenuity of nature.

动物王国是一个广阔而多样的领域，展示了经过数百万年进化而形成的各种繁殖策略。其中一种令人着迷的繁殖类别是卵生的动物，即那些产卵的动物，其胚胎在母体外部发育。这种繁殖方式在许多物种中都可以观察到，包括鸟类、爬行动物、两栖动物，甚至一些鱼类。理解卵生的繁殖的特征和优势，可以提供对这些生物进化适应性的深入了解。卵生动物通常产生含有胚胎发育所需营养的卵。这些卵通常会在安全的环境中产下，以便孵化直至幼崽破壳而出。例如，鸟类会筑巢以保护它们的卵免受捕食者和环境危害。相比之下，爬行动物可能会将卵埋在沙子或土壤中，让大地的温暖来孵化它们。作为卵生的动物，其中一个显著的优势是能够一次产生大量后代。这种策略增加了生存的机会，尽管许多卵面临着捕食或环境因素导致的高死亡率。例如，一只海龟在一个产卵季节可以产下数百个卵，知道只有一小部分能够存活到成年。卵生的繁殖的另一个优势是，它允许在栖息地选择上有更大的流动性和灵活性。由于卵是在母体之外产下的，母亲可以继续觅食并避免潜在的威胁。这种分离在资源稀少的恶劣环境中特别有利。此外，在不同地点产卵可以确保并非所有后代都暴露于相同的危险中，例如疾病或栖息地破坏。然而，成为卵生的动物也带来了挑战。卵必须保护免受环境极端条件的影响，如温度波动和湿度变化。一些物种已经发展出独特的适应性来应对这些挑战。例如，某些青蛙表现出父母照顾，通过守护卵直到孵化，而其他一些则可能将卵放在背上或嘴里以保护它们。除了这些生物学方面，卵生的生活方式在许多社会中具有文化意义。例如，卵常常与生育和新生有关，象征着生命和重生。这种象征意义超越了动物王国，影响着世界各地的艺术、文学甚至烹饪实践。总之，研究卵生的动物揭示了繁殖策略与环境适应之间复杂的相互作用。这些生物已经进化出显著的方法来确保其物种的生存，展示了我们星球生命的惊人多样性。随着我们继续探索和理解这些迷人的动物，我们获得了对塑造自然世界过程的宝贵见解。无论是观察鸟类精致的巢还是隐秘的爬行动物的卵，卵生的繁殖方法仍然是动物生物学的一个重要方面，突显了自然的聪明才智。