Saturday, February 15, 2020

What are the advantages and disadvantages of asexual and sexual Essay

What are the advantages and disadvantages of asexual and sexual reproduction in animals - Essay Example Division of the zygote takes place repeatedly resulting to the growth of an embryo. This embryo grows inside the female or outside in other animals into multi cellular organism. As a result of the shared genetic information in sexual reproduction by the gametes, the off spring produced contains variety. This constitutes part of the advantages of sexual reproduction since the genetic variation gives the species an advantageous element of survival. Furthermore, genetic variation results to evolution of species which form better organisms (Kent, 2000). This species have better surviving traits in the unstable environments. Species which reproduce sexually have low extinction rates. This is beneficial as it ensures continuity of population. Sexual reproduction has several disadvantages. To this end, the need to have both male and female mate for reproduction is some time inconveniencing since both may not be willing (Rinkevich & Matranga, 2009). It also consumes excessive time and energy to look for a suitable partner. Moreover, there is no assurance after fertilization that the nucleus cell of male will fuse with the female cell. .Furthermore, counter-productive genetic combination conditions should be stable. Asexual reproduction involves one organism producing an offspring identical to it genetically. It requires one parent to reproduce. In single celled organisms the parent cells are split into two cells’ with equal content by binary fission. Multi-cellular organisms use a process known as mitosis to split cells into cells with equal number of chromosomes. Asexual reproduction has several advantages. One, it is very beneficial to the types of animals that stay in one area or not able to look for mates to reproduce. The fact that asexual reproduction does not need mating of female and male gives is advantageous to these animals as they are able to reproduce as they are. Another advantage, since no need to find a mate many off springs are produces

Sunday, February 2, 2020

Museum Paper Essay Example | Topics and Well Written Essays - 1000 words

Museum Paper - Essay Example There are various writings on the coffin that indicate of the mummy’s social identity as a fertility god. The major aspect of the writing is the prayer that ensures that Irethorrou is supposed to receive meals that entail of â€Å"good and pure things† to achieve its eternity. The lineage of Irethorrou is outlined on the coffin, and tis includes of the Akhimim city. Based on the information written on the coffin, we note that Irethorrou was a wardrobe-priest, responsible for caring for the god’s statue. This means that the Egyptians purified the statue, cleaned it adnd clothed it on a daily schedule. The major aim of Irethorrou was to specialize in fumeal rituals, since he was a servant of the funerary duty Osiris-Sokar. The mummy boy is wrapped in linen and it has amulets made of stones. They are positioned strategically at crucial points on the swaddling linen. It is important to note that the positioning of the amulets in the linen layer close to the body is described to posses’ magical effects that are connected to the Egyptian belief in resurrection. The amulets are placed on the Mummy in a manner that enables individuals to realize the traditions associated with the treatment of the head. These aim at reawakening and reanimating the body. We note that there are amulets placed on the right eye of Irethorrou, and they have direct associations with the atef god. The deities are situated together with a belief that they will work in a speeded and secure manner to ensure that Irethorrou resurrects. However, we note that the life and death of Irethorrou is not indicated however, it is estimated that the mummy lived to be around forty to fifty years. The cause of his death is not identified although various bumps on its back skin characterize the infection of a deadly disease. The Cantor Arts Center is an art collection center that entails of different works from the entire globe. The collections usually