Gymnosperms (meaning "naked seeds") are seed-bearing plants that don't produce flowers, instead they have male and female reproductive organs mostly in the form of cones. Their microsporophylls release pollen into the air to make available to the ovule, in the megasporophylls causing fertilization. Their seeds develop without a protective covering of ovary wall. Conifers (like pines, redwoods, and fir), gingkos, seed ferns, cycadeoids, and cycads are gymnosperms.
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Gymnosperms reproduce sexually by means of wind dispersal. The mature male gamete (pollen) is carried by wind and if it fertilizes the female gamete(egg) and the zygote is able to successfully find a place for maturation, it will grow to become a mature sporophyte, and the cycle starts over again.
Most gymnosperms produce naked seeds in the form of cones. The male cones produce pollen which is usually spread by the wind. The pollen of the male cones falls on to the ovule (or egg cell) of the female cone.
The gymnosperms are primarily conifers (cone bearing trees and shrubs) such as the spruce, pine and fir trees. They are non-flowering plants that produce seeds not encased in any kind of carpel or fruit. The seeds form on the scales of the cone.
Whether they form seeds asexually, or sexually (which I doubt, given the absence of a blossom and an ovary), I cannot say for sure. Perhaps someone else can add to this.
just adding to this i do know that seeds were the first plants to reproduce using seeds
Gymnosperm plants have both male and female reproductive organs. They depend on the wind for pollination. The male gametophyte cell lands on the female cell for fertilization.
they go through pollination fertilization seed development and then seed disperal
Gymnosperms differ from angiosperms specifically in the lack of flowers and protected seeds. Instead, plants like evergreens grow pinecones, with "naked" seeds.
Gymnosperms
the 2 kinds of seed plants are the gymnosperm and the angiosperm... believe me because i answered the question for my quiz and i got it right !!!!
In angiosperm seeds are enclosed inside the ovary whereas in gymnosperm seeds are naked (i. e. born on megasporophyll) Gymnosperms have archegonium for egg whereas in angiosperms it is replaced by an embryo sac.
In order for sexual reproduction to take place in a flatworm, two flatworms must come together and mate. When mating happens, the flatworms transfer sperm to each other.
Gymnosperms can disapears by wind, water or rainy days
plants
cones
sexual reproduction
Gymnosperms
Alternation of generations is the same in all plants in the sense that during sexual reproduction gametophytic generation alters with the sporophytic generation. In angiosperms and gymnosperms the only difference is the presence of embryo sac in the ovule in place of archegonium in gymnosperms. Also double fertilization takes place in angiosperms to have sporophytic endosperm, which remains gametophytic in gymnosperms.
Reproduction in plants take place in flowers or mega- & microsprophylls.
pollen and ovules
Because they are better adapted for reproduction and dispersal of their seeds.
•Spreading runners•Bulb production•Sprouting rhizomes
For angiosperms: Flowers For gymnosperms: Cones For ferns: Spore
the 2 kinds of seed plants are the gymnosperm and the angiosperm... believe me because i answered the question for my quiz and i got it right !!!!
Sexual reproduction