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Do gymnosperms depend on water?
Yes, gymnosperms do not depend on water for fertilization like mosses or ferns do. They reproduce through the dispersal of pollen, which does not require water as a medium for transportation.
Were the first plants that did not require water for transferring sperm to eggs.?
Gymnosperms
Do bryophytes need water for fertilization?
Yes, bryophytes, like mosses and liverworts, require water for fertilization. This is because they rely on water to transport sperm from the male gametophyte to the female gametophyte for fertilization to occur.
What were the first plants that did not require water for transferin sperm to eggs?
The first plants that evolved to not require water for transferring sperm to eggs were the gymnosperms, such as conifers and cycads. Gymnosperms produce seeds that are not enclosed in a fruit, allowing them to be dispersed without the need for water for reproduction. This adaptation allowed them to colonize drier environments and diversify during the Paleozoic era.
What is the difference between pollination and fertilization gymnosperms vs angiosperms?
angiosperm fertilization involves the so called "double fertilization" which is absent in gymnosperms. In angiosperms the secondary nucleus (formed from fusion of two polar cell nuclei) gets fertilized by the second male gamete along with fertilization of the egg cell of the embryo sac. The fertilization of the egg cell results in the formation of zygote whereas the fertilization of the secondary nucleus results in the formation of PEN (primary endosperm nucleus).PEN develops into endosperm while zygote into embryo. Perisperm provides the necessary nourishment to the developing embryo.
Do gymnosperms depend on water?
Yes, gymnosperms do not depend on water for fertilization like mosses or ferns do. They reproduce through the dispersal of pollen, which does not require water as a medium for transportation.
How are gynosperms different from angia sperms?
The difference between gymnosperms and angiosperms is that gymnosperms develop cones as their seed to use in the fertilization process, and angiosperms produce flowers and fruits as their seed to use in the fertilization process.
When does fertilization occur during the gymnosperms life cycle?
it occurs when it occurs
Were the first plants that did not require water for transferring sperm to eggs.?
Gymnosperms
What you call seed producing plant?
It is called a seed plant, not to be confused with ferns and mosses whose gametes require water for fertilization. Seed plants can be either gymnosperms or angiosperms.Spermatophyte
Do bryophytes need water for fertilization?
Yes, bryophytes, like mosses and liverworts, require water for fertilization. This is because they rely on water to transport sperm from the male gametophyte to the female gametophyte for fertilization to occur.
What are the characteristics of a gymnosperms?
Characteristics of Gymnosperms sporophyte dominant: gametophyte very reduced multicellular female gametangium (archegonium) but no male gametangium (male gametophyte reduced to a few cells and a pollen tube) ovules (modified megasporangium) contain the female gametophyte; after fertilization and formation of zygote, then embryo becomes a seed. no external water required for fertilization vascular cambium leads to secondary growth (wood)
Do all plants need water to make fertilization occur?
No, plants do not need water to make fertilization occur. Fertilization in plants involves the fusion of male and female gametes, typically through the transfer of pollen. Water is not directly involved in this process, although it is crucial for other aspects of plant growth and reproduction.
What were the first plants that did not require water for transferin sperm to eggs?
The first plants that evolved to not require water for transferring sperm to eggs were the gymnosperms, such as conifers and cycads. Gymnosperms produce seeds that are not enclosed in a fruit, allowing them to be dispersed without the need for water for reproduction. This adaptation allowed them to colonize drier environments and diversify during the Paleozoic era.
The gametophytes of gymnosperms are found inside reproductive structures called?
The gametophytes of gymnosperms live inside reproductive structures called cones. Gametophyte is the immediate result of fertilization in mosses.
What is the difference between pollination and fertilization gymnosperms vs angiosperms?
angiosperm fertilization involves the so called "double fertilization" which is absent in gymnosperms. In angiosperms the secondary nucleus (formed from fusion of two polar cell nuclei) gets fertilized by the second male gamete along with fertilization of the egg cell of the embryo sac. The fertilization of the egg cell results in the formation of zygote whereas the fertilization of the secondary nucleus results in the formation of PEN (primary endosperm nucleus).PEN develops into endosperm while zygote into embryo. Perisperm provides the necessary nourishment to the developing embryo.
Do angiosperms require water for fertilization?
Yes Edited answer: No, only crptogames need water for fertilization. In higher plants like angiosperms, the gametes are non-motile and male gametes reach near the egg for fertilization with the help of pollen tube.
