i came to know from my friend that peacock does not reproduce through sex as in the case of humans?is it righ?
300439
This question is miscategorized.\n\nSpecial Education refers to the education and parenting of children with special needs.
422256
I have all the respect in the world to Darwin. He is a good scientist, and even though evolution does indeed occur; it occurs withIN one species. So, in effect, an insect can evolve into an 'evolved' insect, but it can't evolve into a fish! Primates might 'seem' similar, but I do not hold them in the same 'species' as humans. In other words, I do not believe that WE evolved from monkeys, and therefore, we have no 'relatives' from the animal kingdom. If primates evolved into anything; I think it is into bigfoot, but not humans.
1139079
algea do not have sexual reproduce. Therefore, false.
812119
asexual reproduction doesn't require two partners in order to reproduce...sexual is the opposite.  It requires two creatures of the opposite sex in order to reproduce.
801674
No, they dont. Birds have a different "set up" as far as sex goes. Both sexes look the same, just a single opening. This is used for both elimination and sex. The male mounts the back of the female. He twists his back end around and both openings, called the cloacals, touch. He releases the sperm into her and thats how fertilization takes place.
114541
*Shrugging my furry shoulders* Humans as a species are not monogumous; unlike wolves and certain birds of prey. IE nature did not evolve them to mate for life. \n\nThat is a religious concept that has become accepted by most...\n\nWhy chase others is a lil more complex, (just tossing out a couple of opinions here as I doubt anyone knows the real answer)\n\n1. Humans main biological programming is continuation of the species through propagation. (My personal belief) Which means spreading their genes to as many as they can.\n\n2. Trophies, it is an ego stroke to be with as many as one can. IE The more women you are with the higher on the male machoism scale you gain.
525521
Female Reproductive System.\n\nDescription:\nThis is the human's reproductive system, that is capable of producing a new being to the world. This is situated in the female gender of any species. (But we do find certain exceptions like, Sea Horses, where the female sea-horse simply produces the eggs, yet hands them over to the male sea-horse to take care of! mostly mistaken to believe that male sea-horses do have a reproductive system.) Its the only natural way of reproducing a specific being to the world.(Their are other ways, to reproduce species, in a lab i.e. cloning, tube.) \n\nBenifit:\nReproduction of a specific specie would keep them away from the Red-Data-Book, where all the endangered species are listed.\n\nThis is a very basic explanation.\n\nHope it is helpful!\nGood Luck!
820905
It is, but not by much.\nIn reptiles, the warmth of the hatching is what makes the decision on whether the hatchling will be male or female.\nThat is to say, on warmer occasions, there will be more males than females, but on cooler occasions, there will be more females.  (Reptile eggs depend on the weather for successful progeny, since they don't sit on their eggs).  Some have speculated that this may have been the reason for the extinction of the dinosaurs.  (my own view is more pragmatic.  I think dinosaurs are still amoung us, just in different forms).\n\nAlso, I've read about a study done on women who have a more acid diet prior to concieving as compared to women who have a alkaline diet.  The ones with an acidic environment tend to concieve girls and the ones with an alkaline environment tend to concieve boys, although this has been complicated by when in the woman's cycle all the coital activity takes place.  For instance, if coital activity takes place before ovulation, the "X" (female) carrying sperm live longer, and tend to survive to make it to the egg.  Whereas a "Y" carrying sperm has more success at the moment of ovulation.  (Ovulation is approximately 3 day window of opprotunity)\n\nAnother factor to consider is the resilience of the female, which is demonstrated in the ratio of survival in premies.  A prematurely born female has nearly double the chance of survival than a male.
514686
If this were possible which it is not then what you would have is spontaneous cloning.  The offspring would not only be female it would be an exact duplicate of the mother.  There is no genetic material available in human females to reproduce anything other than a clone without fertilization.
1066258
Darwin's theory of evolution isn't so fickle an idea that it can be disowned by some horny sheep.  Most animals that show homosexual behavior, still mate and breed heterosexually.  Sex feels good to animals too.  And sometimes, sex is just sex.
322480
Birds actually go through the process of fertilizing an egg just like humans, except for birds this happens outside of the body whereas for humans it happens inside the body. So in reality, no actual 'sex' happens for birds...the male bird fertilizes the egg that the female laid, and the female sits on the egg while it gestates. \nGoodluck with that bird porn site, though.
1133336
Not true in either case.  I don't know where the myth came from (with Penguins, it's probably because they mostly mate with one partner seasonally).  You may want to read the source book.
997614
It's the most likely skeptic's explanation. However, parthenogenesis does happen sporadically in higher animals, and rarity of such an event would satisfy both the scientists and the believers (who would claim it as a miracle).
33020
I believe that humans and gorillas are genetically incompatible, meaning they can't make babies.\n\nHorses, zebras, and donkeys can still make babies because they used to be the same animal, but have not changed enough to be genetically incompatible. Give them another 50,000 years or so and they will lose the ability to make inter-species babies.
459867
Not all animals have multiple partners.many have the same one year after year.to reproduce. However most of the animals just mate to reproduce and that's all. they just don't go having sex with every species of their kind just have sex,like us wonderful humans tend to do.for animals it's not about how many chicks they can get "laid" by.It's only to keep their species in existence..
1114115
I can assure you that this is absolutely not biologically possible.  Members of different species cannot reproduce and produce viable offpsring together, according to the classical definition of a species.
416340
I would have to answer that you're asking the wrong question!  \n\nThe explanation of how a plant or animal can develop asexual reproduction isn't going to help you better understand incremental changes via evolution; what you really need to understand is how a plant or animal can develop sexual reproduction. \n\nLooking at the first, microbiological life, asexual reproduction - i.e. cell division or 'budding' -  was the first and most essential form of reproduction. It took century upon century for more complex life to develop and specialize; and, for the mechanisms of sexual reproduction to develop and become established. \n\nThe change from asexual to sexual reproduction would indeed have been  massive, but it doesn't follow that it had to be sudden. When scientists look at species and evolution, they will generally say that one species was more successful at adapting to their environment than another. \n\nIt seems that the ancestors of many plants and animals developed sexual reproduction mechanisms, and they were more successful in competing with other animals for food/territory, over an extended period of time. The less successful ones died out long ago.\n\nSo - it may not be totally accurate to say, "reproduction either works or it doesn't." A better statement would be, "evolutionarily speaking, changes in species over time may cause one method of reproduction to become less successful than another."  \n\nHaving said that: there are other scientists who agree that evolution isn't always slow and gradual; they argue that sometimes evolution happens occasionally in a sudden and dramatic way, when one species splits to become new species - generally the new species are created when one population becomes separated by geographic boundaries. \n\nI'd strongly suggest reading the Wikipedia article (linked below) on Stephen Jay Gould for an evolutionary point of view which counters the slow evolution methodologies advocated by Dawkins; as well as the articple on evolution itself - which looks at the development of the understanding of evolutionary principles and their historical context.