... reproductive structure of flowering plant aka an angiosperm. In most angiosperms, insects and other animals transfer pollen from to another flower's female sex organs. This makes pollination less random than the wind-dependant pollination of gymnosperms. A flower is a compressed shoot with four whorls of modified leaves. They are sepals, petals, stamens, and carpels. Within the ring of petals are the reproductive organs, ... of sporophyte tissue around the embryo sac.Gonads that produce gametes and hormones and accessory glands that secrete products essential to sperm movement make up t...

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... fungi and plants. Plants are multicellular with specialized cells that form tissues and organs. Fungi have filamentous body structures with long slender filaments called hyphae. The hyphae are joined together by cross walls called septa. A third difference is their reproductive modes. Fungi are classified by their reproductive structures (zygosporangia, ascus, conidium). All fungal nuclei, except the zygote, are ... They lack a membrane bound nucleus and chloroplasts. Unlike other eubacteria, they are encapsulated in a jelly-like substance, and cling together to form colonies. Cyanobact...

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... that can be determined only by chemical tests. Scientists compare the external shapes and sizes of organisms as well as the anatomy and function of internal organs and organ systems, such as the digestive or reproductive systems. Biochemists study and compare the molecular interactions within an organism that enable it to grow, make and store energy, and reproduce. The early stages of ... . Two of the largest are Plants and Animal. With the invention of the microscope and further studies of life, three more kingdoms have been recognized, Fungi, Protista and Monera. Plant Kingdom The plan...

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... and a-sexual reproduction carried out by the flowering plants. Sexual reproduction involves an alternation of generations. A "gametophyte" stage and a "sporophyte" stage. Whereas a-sexual reproduction involves just a plant with both female and male sex organs, for example a flower. The fern is said to begin reproduction from a mature "diploid sporophyte", meaning it is of an age where it has double the number of ... have evolutionalised physical adaptations, such as scent, bright colours on petals and nectar to attract animals to them. Animals, ie insects spread pollen from the male sex o...

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... undeveloped fetus. A compound called isoflavones was found to be a risk factor for abnormal brain development. "'During pregnancy in humans, isoflavones per se could be a risk factor for abnormal brain and reproductive tract development.' " This article would was of concern to parents. What was also interesting about his article was it comparison of the present state of genetically modified products as an ... :mtx:journal&genre=article&rft_id=xri:pqd:did=000000333795441. The health affects of GMO aren't completely known. Tests on animals suggest that they could have an effect on internal...

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... discouraging research into any procedures which may result in cloned humans." What would human cloning involve, and how could you take sperm out of the reproductive ­equation? There are many ways to human cloning but one being somatic cell nuclear transfer (SCNT) "which is the same procedure that was ... are that the movie, "The Island" isn't an actual glimpse into the future. Nevertheless, it brings up a relevant point about the potential uses that human reproductive cloning may have. However "organ transplants are difficult undertakings for two major reasons. First, you have to find ...

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... Cocaine/crack? Cocaine is the most powerful central nerve system stimulant in nature. Cocaine is white powder made from the coca plant in the Andean mountains in South Africa. Thousands of years ago cocaine was used for religious ceremonies. As time went by ... pounding headaches and even blindness. Inhalants are poisons that can cause damage to the liver and kidneys. Heavy abuse may cause fatal damage to these organs, as well as to the heart and nervous system. What are the Signs of Abuse? Inflammation of the nostrils, frequent nosebleeds, or a ... used drug "and far more dangerous th...

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... existence, for survival. He pointed out the existence of variations "differences among members of the same species "and suggested that the variations that prove helpful to a plant or an animal in its struggle for existence better enable it to survive and reproduce. These favorable variations are thus transmitted to the offspring of the survivors and spread to ... of the doctrine of uniformitarianism. Darwin's evidence for evolution rested on the data of comparative anatomy, especially the study of homologous structures in different species and of rudimentary (vestigial) organs; of the re...

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In the United States, there are many controversial issues, one concerning the legalization of marijuana. Marijuana consists of dried up leaves from a cannabis plant. The leaves of this plant are usually smoked or eaten to induce euphoria. Euphoria is when you are overcome with feelings of joy or happiness. The reasons for legalizing this drug seem to be endless. ... and heroin use declined substantially. In 1977, the American Medical Association came out in favor of legalizing Marijuana. Marijuana has been said to cause damages to the immune system, the reproductive system and the brain but...

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... . These are some main branches of biology Botany, Entomology, Ecology, Anatomy, Immunology, Limnology, Genetics, Histology, Biomechanics and Embryology. The study of plant life or phytology is known as botany. It's studies the life and development of fungi, algae and plants. Botany also probes into the structure growth ... Anatomy is the science that studies the structure of the body. They deal with anatomical structures of the human body, including cells, tissues, organs, and organ system. The study of human anatomy gives us a better understanding of the structures of the body and how th...

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... was trained in physics, then was recruited to a monastery to do some research in breeding plants and animals. Mendel preformed his experiments with the pea plant, and found that a basic ratio of things, such as the color of flowers, was always 1:3. This means that from every mating of two ... Mendel explained this by saying that parent plants had two factors, and that only one of the factors was passed down to the new plant. Mendel said that his factors must be present it pairs, two in each individual for each separate characteristic. He concluded that since an ... in their ability to s...

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... of the extinctions. Many remaining species on oceanic islands are threatened or endangered." With cloning, many of the animal species, and potentially several of the plant species could be brought back to life. Even though there is currently no technique for bringing the plants back, with technology advancing so quickly, we ... remove its nucleus, then take a cell from the father, remove its nucleus, and place the nucleus inside the empty egg. That cell now acts as a reproductive cell. They then put the egg in the mothers' womb, and wait for results. Unfortunately, this method has a very...

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... of the animals. Many remaining species on oceanic islands are threatened or endangered." With cloning, many of the animal species, and potentially several of the plant species could be brought back to life. Even though there is currently no technique for bringing the plants back, with technology advancing so quickly, we could ... remove its nucleus, then take a cell from the father, remove its nucleus, and place the nucleus inside the empty egg. That cell now acts as a reproductive cell. They then put the egg in the mothers' womb, and wait for results. Unfortunately, this method has a v...

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... human cloning. The idea of cloning human embryos to recreate birth or create spare human tissues was developed by the biotechnology industry to help cure diseases and help fulfill the reproductive rights of infertile and/or gay couples. Although this seems to be a logical reason for scientific cloning, many believe that it will become more than this if eventually legalized. ... go deeper with experimentation and take cloning to the extreme. Aristotle may have agreed with the medical benefits to society which could occur from cloning, such as the transplant of organs to help individuals ...

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... in these that are not biodegradable can remain dangerous for a long time. When an animal eats a plant that's been treated with certain non-degradable chemicals, the chemicals are absorbed into the tissues or the organs of the animals. When other animals feed on a contaminated animal, the chemicals are passed up to ... them. As it goes up through the food chain, the chemical becomes more harmful, so animals at the top of the food chains may suffer cancers, reproductive problems, and death. ... can pollute water supplies. They can reach toxic levels when animals eat one another. Excess Org...

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Cloning is the process of creating a copy of a plant or animal that is genetically identical to the original. There are three types of cloning methods the first is Embryo cloning. The second is reproductive cloning and the third is therapeutic cloning. Embryo cloning is a technique, which produces identical twins or triplets. It duplicates the process that nature uses to produce twins or triplets ... . Or more cells are removed from a fertilized embryo and encouraged to develop into one or more duplicate embryos. This process has been done many years on various species of animals. Reproductiv...

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... lake by adding too much nutrient matter. Sedimentation can also cover stream bed gravel where nmany fish lay their eggs. Excess Organic Matter, fertilizers and other nutrients used to promote plant growth on farms and in gardens may fine their way into water. At first the nutrients will help the plants and algae in the water grow, but when they die ... streams by rainwater. The chemicals in these that are not biodegradable can remain dangerous for a long time. When an animal eats a plant that is been treated with certain non- degradable chemicals, the chemicals are absorbed into the tis...

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... places both nostrils are pierced. The left side is the most common to be pierced in India, because that is the spot associated in Ayuvedra (Indian medicine) with the female reproductive organs, the piercing is supposed to make childbirth easier and lessen period pain. In the west nose piercing first appeared among the hippies who travelled to India in the Late 1960 ... nose to be the most desireable. Among the Bundi tribe of the Bismarck Ranges of Papua New Guinea the piercing is performed using the thin end of the Sweet Potato plant (Ogai Iriva), usually at age 18-22. The age at which ...

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... vitro assays enable the researcher to look at the effects of chemicals on many different tissues that might be affected. With estrogen, this is not just the male and female reproductive organs, but bone, heart, blood vessels, and the brain as well. In vitro assays help illustrate molecular and cellular mechanisms of toxicity not possible with animal models(PETA, experimentation). Instead of ... by the Animal Welfare Act regulations, or the United States Department of Agriculture(USDA) does not require that commercial breeder of these rodents be registered, or the USDA's Animal and Plant...

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... of clay, and ever since mankind has continued to multiplu. It is based on this legend that moulding clay figures is practised to this day. These figures often feature conspicuous reproductive organs and some are portrayed in the actual act of conjugation. One can also find sets of twins and half-human, half-animal figures. Such creations are expressions of the artists ... invention or rather the discovery of the fanning function could have been as accidental as follows: a primitive man irritated with lots of flies and mosquitoes, picks up a big leaf off a plant next to him to drive the ...

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... harms .of the clones. Human cloning should be banned because it results to problems in the future. Cloning is a form of genetic engineering in which the DNA of a person, animal, plant, or even bacterium is used to produce a perfect or near perfect genetic replica of the original (Stanley 7). The history of human cloning first began in 1997 when Dolly the sheep ... another sheep. Then the National Bioethics Advisory Commission was formed in the United States. In 1998, Fibro the first mouse was the first animal to be cloned from the donor's reproductive system. Also, in 1999, calves are c...

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