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

被子植物是开花并在果实中产生种子的植物。

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

世界80%的植物是被子植物。

The study identified two periods of diversification among angiosperms.

该研究确定了被子植物的两个多样化时期。

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

被子植物是当今最进化、最多样化、分布最广、适应性最强的植物群。

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，花和水果是被子植物家族的一部分。

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

当时，80%的主要被子植物物种出现了。

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

世界现存的被子植物有 30 万种。

Baker said angiosperms are more successful at reproducing than gymnosperms.

贝克说，被子植物比裸子植物在繁殖方面更成功。

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

这些被子植物在扩张过程中，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。

Gymnosperms and angiosperms both have seeds.

裸子植物和被子植物都有种子。

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

但被子植物有封闭的种子，可以防止它们脱水。

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

被子植物进化出了高度多样性的果实类型，允许有效的种子传播。

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的传粉者，刺激被子植物或开花植物的繁殖。

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

随着裸子植物的衰落，被子植物或开花植物填补了它们留下的生态位。

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子植物的抗病性和害虫抵抗力。

These days, flowering plants called angiosperms dominate our planet.

如今，被称为被子植物的开花植物 主宰着我们的星球。

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

为了让被子植物接管，它们必须 与传粉者建立关系。

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

草是被子植物的简单形式，它们的长茎带有封装的种子。

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

但是早期的被子植物不具备长长的喙所必需的生殖结构。

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

海洋草甸由海草、一组被子植物或开花植物组成，它们完全是水生的。