Describe two 'beneficial' aspects from the last 10,000 years of humanity, as well as two 'dis-advantageous' aspects. Agriculture should be your guiding point here.
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- Describe two 'beneficial' aspects from the last 10,000 years of humanity, as well as two 'dis-advantageous' aspects. Agriculture should be your guiding point here.
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- Explain why you agree or disagree with the followingpropositions:a. Stabilizing population is not desirable because, without more consumers, economic growth would stop.b. The world will never run out of resources becausewe can use technology to find substitutes and tohelp us reduce resource waste.c. We can shrink our ecological footprints while creating beneficial environmental impacts.Indicate whether the following statements about the use of genetically modified organisms (GMO's) in agriculture is TRUE or FALSE Group of answer choices GMO's can lead to the reduction of chemical pesticides if used properly [ Choose ] FALSE TRUE GMO's lowers the cost of crop production making it easier for the small-farmer to compete with large corporate farms [ Choose ] FALSE TRUE GMO's could significantly increase global biodiversity by creating new species [ Choose ] FALSE TRUE High use of GMO's could lead to pesticide-resistant weeds and insects [ Choose ] FALSE TRUE Using GMO's provides benefits by creating crops resistant to disease and pests [ Choose ] FALSE TRUE GMO's have been extensively studied for many decades, so that…Adaptation is an important component for species survival. Genes get selected for based on pressures. It is now known that several species (bacteria, plants, and animals) adaptions potentially reflect a response to human actions. Which of the following represent examples of how species are adapting to human behaviors? Choose all that apply. O Dandelions getting longer in areas that are constantly mowed O Bacteria exhibiting antibiotic resistance O The peppered moth expressing dark coloration genes during the industrial revolution O Cholera bacteria becoming more mild when water sources are cleaner
- One of the challenges faced by organisms as the climate changes is the changes observed in phenology. Describe what a change in phenology would be as a result of climate change by giving me an example of it occurring to some organisms (you can make up the organisms in the example). How would a change in phenology result in a population going extinct (possibly because of a trophic mismatch)?The Green Revolution and agricultural changes have brought about some positive consequences, but there are trade-offs. In 3-5 sentences, discuss one economic, one environmental, and one social consequence that have had negative impacts.4. The author includes examples of broiler chickens and dairy cows that burn out quickly. How do these examples support the author’s statement that “selective breeding comes with both benefits and drawbacks”? a) These examples highlight the benefits b) These examples highlight the drawbacks c) These examples highlight both the benefits and drawbacks d) These examples highlight the benefits of natural selections
- The Colorado potato beetle has a history of pesticide resistance. The graph shows the number of chemical insecticides used in agriculture that the Colorado beetle population has become resistant to from 1950 to 2010. It took longer for the population of potato beetle to develop a resistance to some insecticides. However, by 1990, the Colorado potato beetle population had developed a resistance to 35 different kinds of insecticides, and farmers ran out of insecticides they could use to control the beetle population. A new type of insecticide was introduced in 1995. 60 40 30 20 10 1960 1970 1980 1990 2000 Year of Report Which of the following best describes what happened from 1965 to 1975 and again from 1995 to 2000 to the insecticide resistance of the beetle population? The Colorado beetle gene pool for insecticide resistance was identical and the insecticide had no effect on the beetle population, which is why it continued to increase. The introduced insecticides were effective for a…The Protected Areas Commission in Guyana is planning to implement a comprehensive programme aimed at protecting our local biodiversity. 1. What components of diversity should they focus on? (3 marks) 2. Why should the Commission focus on the components you have identified above? (2 marks) 3. Name the TWO ways in which this biodiversity could be conserved (2 marks) 4. Explain how you would go about using the TWO ways to conserve biodiversity (4 marks) A Ⓡ BI !!! !!! WWThe risks and benefits of the use of genetically modified organisms (GMOs) is a topic of each debate. Which of the following is NOT a risk or benefit of GMOs? A. Higher crop yields B. Enriched certain nutrients C. Use less pesticides D. Dominant competition and promote biodiversity
- Please help me to choose one of the best asnwer for this 2 multiple choice questions, Thank you ) which of the following is NOT a definiton for biodiversity? A) the number of individuals in a population B) The variety of ecosystems within a given area C) All of these are possible definitions of biodiversity D)The number of alleles for a particular gene E)The number of species in a community 2)Imagine community with a biodiversity of 25 species.one species is hunted to extinction by humans, after which the community is protected from any human intervention. HOwever a year later you find that biodiversity is down to 5 species.what does this tell you about the species that went extinct due to hunting? A)It was a weak competitor B)It must have been a predator C) it may have been keystone species D) it must have been producer E) It was a virulent pathpgenWhich of the following is true of India? The dramatic decrease in the number of rice varieties planted puts the food supply at risk. O Use of pesticides have remained stable over the past century. There has been an increase in the diversity of corn crops due to deliberate efforts. Antibiotic resistance is unlikely to be a problem. The effects of climate change are unlikely to have strong effects on agriculture.What can people and nations do to fix global warming? Cite 5 specific contributions you can personally do at a national or international level.