UPSC PRELIMS 2026
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UPSC PRELIMS 2026
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Co-Prime Sums and Products: The sum and product of any two co-prime numbers are also co-prime to each other. For example, 2 and 3 are co-prime, making their sum (5) and product (6) co-prime.
https://www.examples.com/maths/coprime-numbers.html
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🍁Bark beetles have a symbiotic relationship with fungus, which they eat but also sow, gathering spores into an orifice called a mycangium and moving them to new locations
🍁nuptial dance” that precedes mating.
🍁Some have abdomens shaped like bottle stoppers, which they use to plug the holes they drill in trees to keep competitors out. They also fart pheromones.
πŸͺ΄NOTE:A spore is a cell that certain fungi, plants (moss, ferns), and bacteria produce.
Certain bacteria make spores as a way to defend themselves. Spores have thick walls
https://www.youtube.com/watch?v=c9UprJXSVSg
#ENVI
🌱A wood-decay or xylophagous fungus is any species of fungus that digests moist wood, causing it to rot. Some species of wood-decay fungi attack dead wood, such as brown rot, and some, such as Armillaria (honey fungus), are parasitic and colonize living trees.