Question

Чем схожи покрытосеменные растения и чем различны?

Answer 1

Покрытосеменные бывают: деревьями, кустарниками, кустарничками и травами; многолетними, однолетними, двухлетними... - различное.
Покрытосеменные - это цветковые раст. , размножающиеся семенами, которые образуются внутри плода; у всех них образуются цетики, а в цветиках пестики... - общее

Answer 2

Similarities and Differences Between Gymnosperms and Angiosperms

Similarities: Gymnosperms and angiosperms are both types of seed-producing plants. They share several similarities, including:

1. Seed Production: Both gymnosperms and angiosperms produce seeds for reproduction. 2. Vascular Tissue: They both have vascular tissue, which allows for the transport of water, nutrients, and sugars throughout the plant. 3. Photosynthesis: Both types of plants undergo photosynthesis to produce energy for growth and development.

Differences: Despite their similarities, there are also notable differences between gymnosperms and angiosperms:

1. Seeds: Gymnosperms produce "naked" seeds, meaning the seeds are not enclosed within a fruit. In contrast, angiosperms produce seeds that are enclosed within a fruit. 2. Flowering: Angiosperms are characterized by the presence of flowers, which are used for sexual reproduction. Gymnosperms, on the other hand, do not produce flowers. 3. Leaves: The leaves of gymnosperms are typically needle-like or scale-like, while angiosperms have a wider variety of leaf shapes and sizes. 4. Pollination: Gymnosperms rely on wind for pollination, while angiosperms have evolved various mechanisms for pollination, including wind, insects, birds, and other animals.

In summary, while both gymnosperms and angiosperms are seed-producing plants with vascular tissue and the ability to undergo photosynthesis, they differ in terms of seed production, presence of flowers, leaf characteristics, and pollination methods.