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After male cones shed their pollen, they typically dry up and may fall from the tree. The primary function of the male cones is to produce and release pollen for fertilization, and once this is accomplished, they no longer serve a purpose. In many species, the cones may remain on the tree for a while before eventually disintegrating or being shed. This process allows the tree to conserve energy and redirect resources to other growth and reproductive efforts.
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Pollen is produced by what type of cones?
Pollen is produced by male cones, also known as strobili, in gymnosperms, such as conifers and cycads. These cones shed pollen grains that contain male gametes for fertilizing the ovules in female cones.
In Gymnosperms Male cones usually occur on higher branches and farther from the trunk than the female cones Why would this be?
When pollen from the male cones is released it either falls to the ground by gravity or is dispersed by wind or light breezes. Having the male cone above the female ensures that some pollen will drop onto the female cone via gravity; if the female were above the male no pollen would be able to reach the cone - more a mechanism to ensure self pollination if cross pollination fails. By having the male cones at the our edge of the tree canopy it also improves the pollens chance of being lifted by wind and deposited on a nearby tree (for cross pollination)
What happens to an animal's exoskeleton as the animal grows?
they normally shed their shells, like crabs or snakes. (except snakes shed their skin).
How does lupin pollinate?
Abstract:The flower of the white lupin (Lupinus albus L., cultivar Vladimir) is typically papilionaceous. The elongate anthers dehisce first, during anthesis, and shed their pollen into the keel. Growth of the filaments of the round anthers causes them to push this pollen into the apex of the keel where, by the time anthesis is complete, it surrounds the stigma.
What is the advantage of cross-fertilization versus self-fertilization?
Preventing self-fertilization- flowers have a number of adaptations to limit self fertilization. Some flowers are self-incompatible, meaning that the female part, Carpel, will not accept its own pollen. Other flowers are dioecious , having separate male and female individuals, which makes self fertilization impossible. Some are monoecious, having separate female and male flowers on the same plant and their male and female flowers will mature at different times. Some flowers will make their stigma receptive to pollen only after all of its pollen has been shed. Some flowers keep their stamens and pistil at a distance from each other, for instance the pistil may be vary tall and the stamens may be short, making it harder for the flower to pollinate itself.
Pollen is produced by what type of cones?
Pollen is produced by male cones, also known as strobili, in gymnosperms, such as conifers and cycads. These cones shed pollen grains that contain male gametes for fertilizing the ovules in female cones.
In Gymnosperms Male cones usually occur on higher branches and farther from the trunk than the female cones Why would this be?
When pollen from the male cones is released it either falls to the ground by gravity or is dispersed by wind or light breezes. Having the male cone above the female ensures that some pollen will drop onto the female cone via gravity; if the female were above the male no pollen would be able to reach the cone - more a mechanism to ensure self pollination if cross pollination fails. By having the male cones at the our edge of the tree canopy it also improves the pollens chance of being lifted by wind and deposited on a nearby tree (for cross pollination)
Do Female cats shed more then male cats?
yes female cats shed more then male cats
What happens to a geckos skin after it has shed?
Hey eat it while they shed. Its good nutrition for them.
What happens when a chinchilla sheds?
They usually don't shed. They shed when they get scared by something to avoid getting eaten... because who wants fluff in their mouths? What happens? Well clean up time happens.
Does a peacock shed?
Yes, a male peecock sheds or molts its tail feathers to get bigger ones. Kind of like White tail deer.
What is the big difference between deciduous trees and coniferous trees?
deciduous sheds and coniferous doesnt Conifers bear cones that carry their seed. Deciduous trees shed their leaves in winter. Not all conifers are evergreen. Some deciduous trees bear cones.
What is the difference between coniferous and deciduous trees and what is an example of each?
Coniferous trees bear cones. Pine. Decidous trees shed their leaves in autumn. Elm.
What happens to an animal's exoskeleton as the animal grows?
they normally shed their shells, like crabs or snakes. (except snakes shed their skin).
What happens to a reptiles skin when the animal grows larger?
They shed their skin when they grow
Do bucks shed their antlers every year?
Yes bucks (male reindeers) do shed their antlers every year.
Why do cats continually shed?
This naturally happens when summer comes to keep the cat cool.
