About 80 percent of the world's plants are angiosperms.

世界上大约80%的是被。

Angiosperms are plants that produce flowers and produce their seeds in fruits.

被是开花并果实中产生种的。

The study identified two periods of diversification among angiosperms.

该研究确定了被的两个多样化时期。

At that time, 80 percent of major angiosperm species arose.

当时，80%的主要被种出现了。

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

世界上现存的被有 30 万种。

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

被是当今最进化、最多样化、分布最广、适应性最强的群。

Baker said angiosperms are more successful at reproducing than gymnosperms.

贝克说，被比裸方面更成功。

Gymnosperms and angiosperms both have seeds.

裸和被都有种。

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

负责这项研究的研究员说，花和水果是被家族的一部分。

But the flowering plants have enclosed seeds that protect them from dehydration.

但被有封闭的种，可以防止它们脱水。

Flowering plants are also called angiosperms.

开花也被称为被。

Angiosperms evolved a high diversity of fruit types, permitting effective seed spread.

被进化出了高度多样性的果实类型，允许有效的种传播。

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

这些被扩张过程中，虽然失去了这么多的水分到空气，但他们也携带了自身的雨水。

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

许多昆虫种也是多产的传粉者，刺激被或开花的。

As gymnosperms declined, angiosperms or flowering plants filled the niches  they left behind.

随着裸的衰落，被或开花填补了它们留下的生态位。

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

为了让被接管，它们必须 与传粉者建立关系。

These days, flowering plants called angiosperms dominate our planet.

如今，被称为被的开花 主宰着我们的星球。

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

草是被的简单形式，它们的长茎上带有封装的种。

The study could help scientists better understand disease and pest resistance in angiosperms.

该研究可以帮助科学家更好地了解被的抗病性和害虫抵抗力。

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

但是早期的被不具备长长的喙所必需的生结构。