<span>The lymphatic system is used for immunologic response and interstitial fluid collection. If the lymph node is removed, the lymphatic system around it would be disrupted. This will cause localized swelling after the surgery. The immune system around it could be impaired too.
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Answer:
Option B.
Explanation:
Hypersensitive response is the procedure that is used by the plants to stop itself to get infections caused by the microbial pathogens. It is characterized by the local cell and tissue death often occurs at or near an infection site in a plant. Hypersensitive response limits the growth and spread of pathogens to the other regions of the plant.
Thus, the correct answer is - option B.
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El origen de las especies, cuya primera edición apareció en 1859, es el libro más conocido de El biólogo británico Charles Darwin. En el libro, Darwin expone su teoría de la evolución. Afirma que toda la vida en la Tierra tiene un ancestro común y que la selección natural es el mecanismo principal para la evolución de las especies.
El libro está considerado como una de las obras científicas más importantes de la historia. Causó revuelo en el momento de su publicación porque atribuyó la riqueza de la forma de vida en la Tierra a un proceso mecánico más que a una inteligencia sobrenatural. Es cierto que otros habían sugerido previamente que podría haber cosas como la evolución o la selección natural, pero "El origen de las especies" es el primer trabajo que extrae la mayor consecuencia de estos conceptos.
Answer:
Bees play a significant role in the field of agriculture. They can adapt to the process of pollination. Pollination is usually defined as the process of transportation of pollen grains from the male anther of a flower to the female stigma. The bees pollinate the crops and increases their productivity and yield capacity. About 35% of the food that we eat, are dependent on this pollination act that is carried out by the bees, involving either directly or indirectly.
Over the last few decades, the population of the bee has been decreasing, and it is directly affecting the global human population. It is because less amount of food is produced compared to the rate of demand, resulting in a shortage of food items.