Question

Какие утверждения правельные ?1)все голосеменные растения имеют цветок и плод. 2)процес плодотворения у голосеменных возможен только в присутствии воды. 3)сосна,ель,пихта - это хвойние растения. 4)хвойные растения распространены только в северном полушарии. 5)мужские шишки сосны расположены группами.

Answer 1

5.......................

Answer 2

Factual Statements about Seed Plants

1) All seed plants have flowers and fruits. 2) The process of fertilization in seed plants is only possible in the presence of water. 3) Pine, spruce, and fir are coniferous plants. 4) Coniferous plants are only found in the northern hemisphere. 5) Male pine cones are arranged in clusters.

Cited Responses

1) All seed plants have flowers and fruits. - The statement that all seed plants have flowers and fruits is generally accurate. Seed plants, also known as spermatophytes, are characterized by the presence of seeds and are typically divided into two groups: gymnosperms and angiosperms. Angiosperms, or flowering plants, produce flowers and fruits, while gymnosperms, such as conifers, produce cones. Therefore, while not all seed plants have flowers, the majority of them do. 2) The process of fertilization in seed plants is only possible in the presence of water. - The statement that the process of fertilization in seed plants is only possible in the presence of water is not entirely accurate. While water is essential for the process of fertilization in some seed plants, such as gymnosperms, it is not the only means of fertilization. In angiosperms, which make up the majority of seed plants, the process of fertilization typically occurs within the flower, where pollen is transferred to the stigma and fertilization takes place. Water is not a direct requirement for this process in angiosperms. 3) Pine, spruce, and fir are coniferous plants. - The statement that pine, spruce, and fir are coniferous plants is accurate. These trees are indeed classified as conifers, which are a group of gymnosperms characterized by the production of cones and needle-like leaves. Conifers are a diverse group of plants found in various regions around the world. 4) Coniferous plants are only found in the northern hemisphere. - The statement that coniferous plants are only found in the northern hemisphere is not entirely accurate. While coniferous plants are indeed prevalent in the northern hemisphere, they are not exclusive to this region. Coniferous forests can also be found in the southern hemisphere, particularly in regions such as New Zealand, Australia, and South America. Therefore, coniferous plants are not limited to the northern hemisphere. 5) Male pine cones are arranged in clusters. - The statement that male pine cones are arranged in clusters is accurate. Male pine cones, also known as pollen cones, are typically clustered together on the lower branches of coniferous trees. These cones release pollen, which is then carried by the wind to fertilize the female cones, leading to seed production. The clustered arrangement of male pine cones is a characteristic feature of coniferous trees. In summary, while the majority of the statements are accurate, there are nuances to consider, such as the role of water in fertilization and the global distribution of coniferous plants.