Il mio scaffale grandiosamente riproduttivo by Giulia Colao https://padlet.com/flcorl63/lwvnln5y3vwf Realizzato con riguardo verso i vegetali en-us 2018-04-30 04:00:22 UTC 2025-11-11 07:22:10 UTC hello@padlet.com https://padlet-uploads.storage.googleapis.com/222300565/6e46c4e43b21105ea762309d40a361c6/220px_Haeckel_Orchidae.jpg flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/256394223 2018-04-30 04:05:12 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/256394223 flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/314121376 2018-12-13 04:06:06 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/314121376 in reproduction each new organism obtain a set of chromosomes from its parent or parents flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/316716118 2018-12-27 04:30:57 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/316716118 asexual reproduction involves just one parent flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/316716342 2018-12-27 04:36:09 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/316716342 chromosomes are located in the nucleus of a cell flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/316716484 they contain sets of instruction known as genes]]> 2018-12-27 04:40:01 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/316716484 flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/316716966 2018-12-27 04:55:49 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/316716966 many plants are able to reproduce asexually flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/316717010 this is advantageous if the original plant had exactly the characteristics that are wanted]]> 2018-12-27 04:57:37 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/316717010 some of the plant's stem grow normally above ground producing leaves; other stems grow under the soil: swelling called tubers grow on them flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/316717643 sucrose is transported from the leaves into these tubers, where it is converted into starch and stored]]> 2018-12-27 05:21:31 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/316717643 each plant can produce many stem tubers, that are harvested to be used as food, others are saved to produce next year's crop flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/316717719 each potato plant can give rise many tubers, so, one plant can give rise to many new ones]]> 2018-12-27 05:23:23 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/316717719 flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/316717765 2018-12-27 05:26:20 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/316717765 other methods of asexual reproduction flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/316718001 2018-12-27 05:39:25 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/316718001 to get more plants tubers can be cut into several pieces flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/316718027 as long as each piece has a bud on it, it can grow into a complete new plant]]> 2018-12-27 05:40:54 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/316718027 flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/316718124 2018-12-27 05:47:31 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/316718124 the zygote divides again and again and eventually grows into a new organism flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/316718169 a zygote contains chromosomes from both its parents; it can have any combination of theyr genes]]> 2018-12-27 05:50:27 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/316718169 wild banana plants grow in Asia flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/322567914 the fruits of wild banana contains seeds]]> 2019-01-21 04:24:59 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/322567914 reproducing by producing seeds is a type of sexual reproduction flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/322568151 the new plants that grow from the seeds are a little bit different from each other]]> 2019-01-21 04:27:12 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/322568151 modern banana cultivars have been bred to be seedless flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/322568513 the only way of propagating the plants is to dig up suckers that grow from a mature plant, and plant them so that they will grow into new plants]]> 2019-01-21 04:31:37 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/322568513 a sucker is a stem, with roots, that grows out of the parent plant flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/322569418 suckers have exactly the same genes as their parent (clones)]]> 2019-01-21 04:41:08 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/322569418 flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/322569617 2019-01-21 04:43:13 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/322569617 cavendish banana plant is susceptible to a fungal disease called PANAMA DISEASE flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/322570015 this fungus is resistant to fungicides, so scientists are working to produce new varietis of banana to replace cavendish]]> 2019-01-21 04:48:46 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/322570015 flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/322570348 2019-01-21 04:53:10 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/322570348 flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/323093965 2019-01-22 16:48:13 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/323093965 gametes are always haploid flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/323096003 when two gametes fuse together, they form a diploid zygote]]> 2019-01-22 16:51:14 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/323096003 when two gametes fuse together, the zygote they form will have the correct number of chromosomes flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/323096641 for example, humans have 46 chromosomes in each of their body cells, but human egg and sperm cells only have 23 chromosomes each.]]> 2019-01-22 16:52:13 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/323096641 the 46 chromosomes of an ordinary human cell are of 23 different kinds flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/323104538 there are two of each kind. there are two sets of chromosomes in the cell. one set came from the father and one set from the mother]]> 2019-01-22 17:03:15 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/323104538 the same is true for plants flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/323111820 the body cells of an eucalyptus tree have 22 chromosomes, their male and female gametes each have 11 chromosomes]]> 2019-01-22 17:15:40 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/323111820 in humans, the male gamete is the sperm, that are made when cells in a testis divide, in flowering plants the gametes inside pollen grains are made when cells in anthers divide flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/323115206 meiosis occurs when gametes are being made because it produces new cells with only half as many chromosomes as the parent cell.]]> 2019-01-22 17:21:35 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/323115206 in humans flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/323123657 the female gamete is the egg, in flowering plants is a nucleus inside the ovule]]> 2019-01-22 17:36:35 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/323123657 often flowering plants can reproduce asexually and also sexually, by means of flowers flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/323127209 the function of flower is to make gametes, and to ensure the fertilization will take place]]> 2019-01-22 17:42:52 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/323127209 flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/323129609 2019-01-22 17:47:32 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/323129609 many flowering plants are hermaphrodites flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/323130111 Monoecious plants have male flowers and female flowers in separate structures on the same plant or in the same flower. "Mono" means one - and the term "monoecious" is literally "one house"]]> 2019-01-22 17:48:41 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/323130111 flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/323131408 2019-01-22 17:51:12 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/323131408 often, an organism can only produce one kind of gamete (all mammals do this) flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324543247 its sex is either male or female, depending on what kind of gamete it makes.]]> 2019-01-26 03:57:39 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324543247 an organism which produces both male and female gametes is hermaphrodite flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324543484 2019-01-26 04:02:26 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324543484 flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324543928 2019-01-26 04:11:44 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324543928 the petals of some flowers have lines, called guide-lines, running from top to bottom flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324544176 they guide insects to the base of the petal, where there is a gland called nectary]]> 2019-01-26 04:16:33 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324544176 flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324544325 2019-01-26 04:20:21 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324544325 inside the petals are the stamen, the male parts of the flower flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324544387 the anthers contains pollen grains, which contains the male gametes]]> 2019-01-26 04:22:03 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324544387 the female part of the flower is in the centre, it consists of one or more carpels flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324544713 a carpel contains an ovary, inside the ovary are many ovules, which contain the female gametes]]> 2019-01-26 04:29:04 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324544713 in A there is the stigma, which catch pollen grains flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324545011 ovules are in B, and C is the ovary]]> 2019-01-26 04:37:18 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324545011 the anther has four pollen sacs inside it. flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324545480 some of the cells around the edge of the pollen sacs divide by meiosis to make pollen grains]]> 2019-01-26 04:48:46 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324545480 pollen is often yellow.under the microscope, you can see that pollen grains from different kinds of flower have different shapes flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324545648 each grains surrounded by a hard coat, so it can survive in difficult conditions if necessary]]> 2019-01-26 04:53:20 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324545648 fertilisation happens when a pollen grain nucleus fuses with an ovule nucleus flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324546004 2019-01-26 05:03:47 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324546004 fertilisation takes place when the male gamete reaches the female gamete flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324546139 2019-01-26 05:07:23 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324546139 the bees go on flowers in order to find nectar flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324546217 if pollen is taken to a flower on a different plant of the same species, this is called cross-pollination]]> 2019-01-26 05:09:59 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324546217 flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324635115 2019-01-27 04:35:18 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324635115 flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324635294 2019-01-27 04:39:43 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324635294 wind pollination occurs in some plants, such as grass flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324635421 2019-01-27 04:42:10 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324635421 if pollen lands on the stigma of a different species of plant, the pollen grain usually dies flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324635561 2019-01-27 04:46:41 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324635561 a comparison between insect-pollinated and wind pollinated flowers flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324635920 2019-01-27 04:56:58 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324635920 flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324636255 2019-01-27 05:05:22 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324636255 flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324636455 2019-01-27 05:09:18 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324636455 flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324636632 2019-01-27 05:13:53 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324636632 seeds flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324636682 once the ovule have been fertilized, many of the parts of the flower are not needed anymore. the sepals, petals and stamen have all done their job. they wither and fall off]]> 2019-01-27 05:15:20 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324636682 inside the ovary the ovules start to grow flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324687126 2019-01-27 15:38:07 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324687126 diagram of a seed flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324688365 2019-01-27 15:49:46 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324688365 the embryo consists of a radicle, which will grow into a root, and a plumule, which will grow into a shoot flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324688787 the seeds also contain food for the embryo, stored in two creamy coloured cotyledons which contain starch and proteins but also enzymes]]> 2019-01-27 15:53:00 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324688787 cotyledons are surrounded by a tough covering called testa flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324689847 it stops the embryo from being damaged and prevents bacteria and fungi from entering the seed]]> 2019-01-27 16:00:04 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324689847 the tiny hole in the testa is the micropyle flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324690335 near the micropyle there is the hilum, a scar where the seed was joined to the ovary (in the case of a bean the pod)]]> 2019-01-27 16:03:34 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324690335 flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324691087 2019-01-27 16:09:19 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324691087 stages in germination of bean seed flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324691583 once there is sufficient water, the enzymes in the cotyledons become active: amylase begins to break down starch to maltose,proteases break down the protein molecules into amminoacids]]> 2019-01-27 16:13:01 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324691583 maltose and aminoacids are soluble in water, so, they diffuse to the embryo plant, which uses these foods for growth flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324692228 2019-01-27 16:17:41 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324692228 flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324693038 2019-01-27 16:23:26 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324693038 flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324694197 2019-01-27 16:32:08 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324694197 flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324694323 2019-01-27 16:32:40 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324694323 flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324694898 2019-01-27 16:36:35 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324694898 flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324695420 2019-01-27 16:40:07 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/324695420 different shapes of pollen grains flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/334390821 2019-02-23 03:52:00 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/334390821 flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/357898948 2019-05-08 03:34:25 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/357898948 flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/1240027890 2021-02-25 08:49:03 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/1240027890 flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/1240030657 2021-02-25 08:49:55 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/1240030657 flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/1240032770 2021-02-25 08:50:35 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/1240032770 flcorl63 https://padlet.com/flcorl63/lwvnln5y3vwf/wish/2034579824 2022-02-08 03:47:37 UTC https://padlet.com/flcorl63/lwvnln5y3vwf/wish/2034579824