an educated guess (If…, then…) 2. You have measured the rate at which a fish breaths at various temperatures by counting the rate at which its gills open. The data table is shown below. Create a line graph depicting the results. Breathing Rate (breaths/minute) Temperature (°C) 19 5 25 10
placed on ‘organic’ foods – foods grown without pesticides, chemicals, and inorganic fertilizers. Cancer has become a huge concern, as it is being linked to many of the chemicals and pesticides used in food production. The ‘perfect’ food has become one which is capable of blocking the growth of cancer
year and disrupts the life cycle of pests and provides a natural fertilizer (“Farming, Organics”). Organic farmers also use natural fertilizers such as sulfur and interplanting methods that alternate crops in the field, which discourages pests to live there (“Farming, Organics”). By not using multiple chemicals to control crops, organic farming also ends up being better for the environment. Organic farmers use natural fertilizers such as manure so that they do not release artificial chemicals
The Benefits and Impications of Using Fertilisers for Improving Plant Productivity To the Environment In my point of view I think that fertilizers are of use to the environment in some ways but can also be potentially damaging in others. The term fertilisers is stated as " A substance usually added to soil to increase its ability to support plant growth" by Encarta. This shows that fertilisers are needed to keep soil in good conditions to allow the maximum productivity
air can cause cancer. The nitrogen cycle is extremely important. This is because of the importance of nitrogen itself. Nitrogen is a basic element of life. It also makes up 78 percent of the Earth's atmosphere. It forms an essential part of amino acids (which make up proteins) and DNA. Nitrogen is essential for all living cells. The nitrogen cycle consists of 5 steps. First the basic element nitrogen in converted to ammonia. This process is called nitrogen fixation. This process is done by
introduced chemically synthesized nitrogen fertilizers for crop growth. It is also noted that this
METHODS OF CROP VARIETY IMPROVEMENT An improved variety of a crop is superior to the other existing varieties in respect to one or more characters. A crop variety must possess several desirable characters like, high yield, superior quality, early maturity, resistance to important diseases and insect pests, etc. There are two major methods of obtaining an improved variety of a crop. (i) HYBRIDIZAITON It is the most common method of incorporating desirable characters into crop varieties. “Hybridization”
The Neolithic and Industrial Revolutions The two changes in the use of the earth's resources that had the greatest effect on the world population were the Neolithic and the industrial revolutions. The Neolithic revolution (a.k.a. agricultural revolution) was a change in the way of life of our ancestors. It took place about 8000 years ago among various tribes in Asia and the Middle East. It included a transition from foraging and hunting to the domestication of animals (most probably starting
their diet and what they are eating. Statistics show that vegetarian diets have been adopted by at least 7.3 million Americans today. Dictionary.reference.com states that vegetarianism is “a person who does not eat or does not believe in eating meat, fish, fowl, or, in some cases, any food derived from animals, as eggs or cheese, but subsists on vegetables, fruits, nuts, grain, etc. (2013, p.1).” There are many different versions of vegetarianism, but the most common diet is “lactovegetarian”. A lactovegetarian
producer should be aware of the dynamics of the feed in its influence on final product quantity and quality. Formulating feed ideally requires in-depth knowledge of several parameters such as the energy level to be maintained in the diet, balancing the amino acid profile and electrolytes of feed etc., which, otherwise, if not properly monitored, could negatively influence the performance and profitability of the business. Many poultry farmers, however, employ inefficient methods like rule of thumb, experiences