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Generative nuclei The two gametic nuclei formed by the division of the generative cell in the pollen tube of angiosperms.

花粉管的生殖细胞(应为雄原核译者注)分裂成两个配的核。

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The Kizilsu palynofloras are characterized by the dominance of coniferae, abundance of schizaeaceous ferns and presence of primitive angiospermous pollen.

克孜勒苏群孢粉合以松杉目的优势、真蕨目海金沙科的显赫和原始的出现为特征。

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In roots, however, the concept is still applied, and in some angiosperm roots a fourth histogen zone is recognized, the calpytrogen, which gives rise to the root cap.

然而,它还是适用的。一些,还发现了第四种织原,即calpytrogen,与冠发生有关。

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Clathrinida, Clathrinidae, Clathrochloris, clathrocyst, clathrum, clatter, clatterer, clatteringly, C-lattice, Claud,

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中高级英语短

Angiosperms are the most evolved, diverse, widely distributed and adaptable group of plants today.

被子是当今最进化、最多样化、分布最广、适应性最强物群。

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中高级英语短

There are 300,000 species of extant angiosperms around the world.

上现存被子有 30 万种。

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中高级英语短

The researcher in charge of the study said that flowers and fruits are part of the angiosperm family.

负责这项研究研究员说,和水果是被子家族一部分。

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《分钟地球》趣味科普(精选双语)

These angiosperms lost so much water into the air that as they spread, they brought their own rain with them.

这些被子在扩张过程中,虽然失去了这么多水分到空气,但他们也携带了自身雨水。

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PBS地球-动物趣闻

But early angiosperms didn't have the reproductive structures that made a long proboscis necessary.

但是早期被子不具备长长喙所必需生殖结构。

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科拉诺斯动画科普

Many insect species are also prolific pollinators, stimulating the reproduction of angiosperms or flowering plants.

许多昆虫物种也是多产传粉者,刺激被子繁殖。

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PBS Eons | fauna&flora

For the angiosperms to take over, they had to develop relationships with pollinators.

为了让被子接管,它们必须 与传粉者建立关系。

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PBS Eons | fauna&flora

But early angiosperms didn’t have the reproductive structures that made a long proboscis necessary.

但早期被子不具备 需要长喙生殖结构。

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复习

Grasses are simple forms of angiosperms that bear their encapsulated seeds on long stalks.

草是被子简单形式,它们长茎上带有封装种子。

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科拉诺斯动画科普

Marine meadows are made of seagrasses, a group of angiosperms, or flowering plants, that are completely aquatic.

海洋草甸由海草、一组被子物组成,它们完全是水生

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Life Noggin

This is because around 80 percent of the plants in the world are angiosperms, which are flowering plants.

这是因为上大约 80% 物是被子,它们是物。

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PBS Eons | fauna&flora

These days, flowering plants called angiosperms dominate our planet.

如今,被称为被子物 主宰着我们星球。

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PBS Eons | fauna&flora

A group of bee fossils found in Germany were associated with 23 types of angiosperm pollen.

在德国发现一组蜜蜂化石 与 23 种被子粉有关。

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SciShow 合集

Angiosperms, the flowering plants of today, bounced back and grew into full-fledged forests that created new habitats and opportunities.

被子,今天物,反弹并长成成熟森林,创造了新栖息地和机会。

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PBS地球-动物趣闻

Also known as fruiting plants, angiosperms place their seeds inside an enclosure.

被子也被称为结果物,将它们种子放在外壳内。

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PBS地球-动物趣闻

Like the scorpionflies and lacewings, these true flies were thriving on the reproductive structures of gymnosperms, not angiosperms.

像蝎子蝇和草蛉一样,这些真正苍蝇在裸子物而非被子生殖结构上繁衍生息。

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PBS地球-动物趣闻

As the angiosperms got their foothold and attracted crossover pollinators like beetles, some pollinators still remained loyal to the gymnosperms.

被子站稳脚跟并吸引甲虫等交叉传粉者时,一些传粉者仍然忠于裸子物。

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PBS地球-动物趣闻

So basically, angiosperms evolved to hijack animals' attraction to what's fragrant and what's tasty!

所以基本上,被子进化是为了劫持动物对芳香和美味吸引力!

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PBS地球-动物趣闻

Angiosperms spurred the evolution of many different pollinators, some of which unknowingly became adapted to help plants reproduce.

被子刺激了许多不同传粉者进化,其中一些不知不觉地适应了帮助物繁殖

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PBS地球-动物趣闻

If you see a piece of fruit on a tree or a flower in a garden, you're looking at an angiosperm.

如果您在树上看到一块水果或在园里看到一朵,那么您看到就是被子

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clause, clauses, clausius, clausthalite, claustra, claustral, claustration, claustrophilia, claustrophobe, claustrophobia,

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