Out of all the species that have ever existed since the beginning of time‚ 98% of them are extinct (Facts). There are an estimated 5-10 million species that exist currently and only 1.5 million have been identified (Sherry‚ 2). Scientists classify species into six different groups: plants‚ animals‚ insects‚ algae‚ fungi‚ and microorganisms (Today’s Situation). In the tropical rainforest alone‚ most species are disappearing at the rate of 1% a year (Sherry‚ 6). If the current trend continues‚ at least
Premium Endangered species Extinction Biodiversity
Zimbabwe and Angola. My knowledge of the black rhino has increased dramatically due to my interest in endangered species. I became interested in endangered species when an advocate from the World Wildlife Foundation came to my school in 8th grade. Ever since‚ I have kept up with their website and read articles on what this incredible organization is doing for the advancement of endangered species. The St. Louis zoo is home to three black rhinos named Ruka‚ Kati Rain‚ and Ajabu. Ruka was born on January
Premium Rhinoceros Endangered species Hunting
PROTECTION OF NATIVE SPECIES There are numerous ways that non-native or exotic species can have a negative impact on our environment and the diversity of life on our planet. The statistics are very alarming and more attention should be paid to the problem and finding a solution to the problem before the cost is more than we can bear. When compared with other threats to Biodiversity‚ the introduction of exotic species ranks second with habit destruction ranking first for being the cause of extinction
Premium Biodiversity Plant Invasive species
Invasive Species The invasion of non-native species is one of the United Nation’s top five environmental concerns; however the term invasive species is one which many people do not fully understand. It is a term used in the media‚ by governments and ecologists‚ to indicate to the public that a new species has entered an area‚ and usually very little is said afterwards‚ however many people do not realise the severity and long term effects of invasive species in their area and worldwide. Unfortunately
Premium Invasive species Ecology Ecosystem
5: What are the characteristics of this pathogen.(Morphology‚biochemistry‚and pathogenicity).How do the possible pathogens in the case study differ? Ans: Borrelia burgdorferi is a spirochete. Spirochetes are a group of phylogenetically-distinct bacteria that have a unique mode of motility by means of axial filaments. (endoflagella).Spirochetes are widespread in viscous environment‚ they also have a unique cell surface which accompanies their unique type of mortility.The endoflagella are contained
Free Immune system Bacteria Lyme disease
Mrs. Feeney Biology 9 October 16‚ 2012 Identifying Organic Compounds Objective: To use indicators to test for the presence of organic compounds in certain substances. Theory: Major types of organic compounds in some common foods are Lipids‚ Carbohydrates‚ and Proteins. An indicator is a chemical compound that changes color and structure when exposed to certain conditions and is therefore useful for chemical tests. The purpose of using distilled water as one of the substances in the test
Premium Carbohydrate Protein Glucose
Endangered Marine Species Topic: Marine mammal extinction and endangered species. Specific Purpose: To inform my audience of the causes‚ protection programs and possibilities for future protection for endangered species. Thesis: Endangered marine animals are in need of protection and awareness; many people need to understand the origins of endangerment‚ what animals are being affected and what is already being done to help our marine life. Introduction I. Have you ever thought about how important
Premium Marine biology Endangered species Ocean
Cambridge CELTA Written Assignment 1: Focus on the Learners Part A: Student profile: Personal Information: Previous Language Learning Experience: Chien has been studying English for two years‚ of which only the last three months have been at English teaching centres; the rest of her English learning has been self-taught. Because of this‚ her pronunciation and listening skills are not as good as they should be for an intermediate level student. She is conscious of this fact and this negatively
Premium United Kingdom Teaching English as a foreign language Education
forms of microorganisms are on the rise. The importance of identifying these pathogens and their related epidemiology has become increasingly more important. The purpose of this study was to identify an unknown bacterium in a controlled laboratory environment over a 5 week period. Utilizing a variety of differential testing and staining methods learned in the microbiology course‚ students were to determine the identity of an assigned unknown organism. Observations were made and recorded each week
Premium Microbiology Bacteria Staining
the late century‚ extinction becomes common topic in our daily discussion and debates. An average of 27‚000 species is currently extinct each year and there is a possibility of 22% of extinction in the overall species if action is not taken. Animal extinction is due to human immorality and irresponsible behavior just for their own benefits. Since the year 1600‚ a total of 83 mammals species are known to have become extinct. Wildlife population depleted the trade in live animals‚ damaged habitats
Premium Animal Plant Evolution