This item, Comparing Asexual and Sexual Reproduction, allows students to evaluate and communicate information about the basic similarities and differences between the two types of reproduction. Extend this item by having students create a two-column chart with headers “Asexual Reproduction” and “Sexual Reproduction” into which they add descriptions of organisms according to their mode of reproduction. This can be an ongoing project throughout the remainder of the lesson, giving students the opportunity to research and obtain information about different types of organisms and communicate this information via their
Asexual Propagation is the process of using plant materials such as the stems, leaves, and roots to multiply the number of plants. These plants eventually grow to be a brand new plant that is genetically identical to the parent plant it came from. In several types of plants, asexual propagation is the fastest means of new plant growth. Asexual propagation is also a good way to maintain a plant species because they are genetically identical. In this process, adventitious roots are seen in the growing cycle. Adventitious roots are those that grow form parts of the plant that they normally would not grow from. The cuttings must do
In society reproduction is one of the most important things that keeps our world's population growing. In these three short dystopian stories there are different approaches on ideas on what reproduction should be like and how it should be approached. Reproduction rights have an immensely big impact on each of these stories in different circumstances but are very much alike. These three different stories have different rules for the way they run their reproduction systems in their communities. Ten with a Flag the way the society has to do with reproduction is by a ranking system. In this case the people in the story find out how great their child is by ranking, so if the child is a ten it's perfect and if the baby has a perfect ten with a flag, the flag means that the baby might have something troubled or wrong about its persona. Amaryllis is about keeping society to a minimum. Auspicious Eggs is about the Catholic Church and its involvement the reproductive system. All of these stories have harsh endings if an individual can't do something to meet society's specifications about reproduction rules.
The sexual response cycle is a term referencing the changes that occur within the body as it is becoming aroused (Nevid & Rathus, 2010). This cycle, the sexual response cycle, consists of four phases. Phase one is excitement. Phase two is plateau. Phase three is orgasm. Phase four is resolution. Even though the changes that occur in men’s and women’s bodies differ in each phase, they do have some things in common. So that we may learn and better understand what makes us different and the same, we must first learn the components that make up the sexual response cycle. There are two components and they are vasocongestion and myotonia (Nevid & Rathus,
Each category of the book is filled with questions that range from why some organisms find copulation boring in their relationships to simple anatomical questions. Dr. Tatiana answers each of the proposed questions with comparisons to other organisms that experience the same situations. By doing this, she further provides readers with information on multiple organisms.
D) Sexual reproduction is more likely to increase genetic variation than is asexual reproduction. E) Only asexual
There are many methods of reproduction, but the two main methods are sexual and asexual, but which one is more efficient or beneficial. Sexual reproduction is the fusing of two gametes to produce an offspring. This form of reproduction is used by a lot of organisms, including us. Asexual reproduction is reproduction that only involves one parent. (“Pros and cons of sexual and asexual reproduction”). I am going to focus on asexual reproduction and the Desert Grassland Whiptail Lizard. This unique lizard uses asexual reproduction. Asexual reproduction is better for this species of lizards because it only requires one parent, it is less risky, and the population is only female.
The first part of the lesson is Engage. For this portion, I played a video to engage students and to allow visual learners to take in the information. For the Explore part, students have to research/explore different types of bird life cycles individually or in groups. This supports intrapersonal and interpersonal learners who may chose to work in groups or alone. This part also supports logical learners, as students need to think critically about the information they will be sharing with the rest of the class. During the Explain portion, I will be using visual support through the reading of a book. I will then brain storm with student why and how a chicken life cycle works, once again, supporting logical learners through critical thinking. Throughout the Elaborate section, students will recreate the life cycle of a chick through a dance, a play, a poem or a song. Giving students options on how they want to work is a way to accommodate and support their unique learning style. These specific activity supports all types of learners. Visual learners will be able to watch their peers perform; kinesthetic learners will be able to perform (through movement) what they know; musical learners will be able to demonstrate their knowledge musically; intrapersonal learners can work alone and quietly; interpersonal learners can work in groups, being able to share their findings with others; verbal learners will be able to communicate their knowledge and to brainstorm with peers and teacher during the process; logical learners will have ample of opportunities to do critical thinking; and naturalistic learners, who have an inclination on classifying fauna and flora, will be drawn to this subject as it is heavily concentrate on fauna. Thus, students will able to choose an activity that better suits them, while learning
Asexual reproduction is one parent reproducing an offspring that are genetically alike. The purpose of asexual reproduction is so that the reproductive process can go faster without any mistakes. Sexual reproduction is a combination of genetics from the patents to reproduce an offspring. The purpose of sexual reproduction is so that evolution can take place from the organism. The animal focus today is the desert grassland whiptail. The whiptail tail uses asexual reproduction. This whiptail uses the more beneficial reproduction because fertilization is not needed, so only one parent is involved. Also, their is a high chance that the offspring would be created successfully.
There are three types of asexual reproduction known as, budding, regeneration, and parthenogenesis. Budding is the production of new individuals that form from bodies of older animals. Regeneration can either replace a damaged tissue or form another individual. An example of regeneration is flatworms. Lastly, parthenogenesis is the development of the offspring from unfertilized eggs. An example of parthenogenesis is honey bees or ants. In the evolution of sex cells divide because it replaces cells that have aged and died. Another reason for why cells divide is because it replaces cells that are lost or damaged known as regeneration. In a cell division chromosomes are replicated and it is passed on to daughter cells. The number of chromosomes
Some disadvantages of sexual reproduction are as follows. Sexual reproduction cannot be done without a mate. Females want to mate with the best males who are strong and on top of the hierarchy. This can take lots of time and effort to find. It can even take years for an offspring to come out of mating for the female. The successful genes of an individual are being split up into a combined form with another individual's and it is not always guaranteed that the offspring of these two successful organisms will come out successful. Sexual reproduction is less reliable since fifty percent of these new combinations end up failing. When organisms mate, they are distracted by the pleasure they are giving to each other. All the ruckus and noises will attract predators and is also a disadvantage.
Sexual selection means many different things to many different individuals. Some may say that it can be defined by sex differences and others say that it is primarily the difference in male individuals. According to Charles Darwin, sexual selection can simply be defined as competition for mates. Competition for mates, mate choice, and courtship behavior are all closely related and provide evidence for sexual selection. They are all very common in sexual selection. They help with the process of evolution.
Do you know how you were born? Do you know how you came to be? The reproductive system is the system that made that all possible. Without the reproductive system you wouldn’t have been born. In order to produce offspring, the male and female reproductive systems have to be different. Each system has different parts, problems and care. Each system have different purposes, the male reproductive system’s function is to produce sperm, while the female reproductive system’s function is to produce ova, store ova and house a fertilized egg.
the egg and the sperm and the contrast between the reproductive organs. Martin illustrated the
Take the 1960s notion of free love, combine with today's sexually active teenagers who expect no emotional commitment, and you have the modern definition for “hook up.” The term evolved just as many ideas about sex have in this last century. Hooking up is no longer just kissing, it involves oral sex and also intercourse, it is all about the casual sex.
One of the major classes of rotifers can have two modes of reproduction. There are two kinds of females. During female parthenogenesis, amictic females produce diploid eggs (2n) that are not fertilized. All of these eggs develop and hatch into amictic females. Change in environmental conditions allows the females to go through another sexual reproduction that produces mictic males and amictic females. There are minor morphological differences between the two polymorphic forms. Mictic females produce haploid eggs (n). When haploid eggs are fertilized, they develop into amictic females. The unfertilized mictic eggs hatch out larvae that develop into haploid males. This is known as haplodiploidy, a mechanism of sex determination. Males are produced