According to the article “A Bumblebee Gets New Protection on Obama’s Way Out‚” rusty-patched bumblebees‚ which were once prevalent across the United States‚ have now been put on the endangered species list (Schlossberg and Schwartz 2017). The population of these rusty-patched bumblebees has declined roughly ninety percent since the 1990s‚ as a result from pesticide exposure‚ climate change‚ disease‚ and habitat loss. Once common across twenty eight states‚ the District of Columbia‚ and two Canadian
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Neonicotinoids‚ nicotine-similar pesticides‚ threaten bee populations‚ which pollinate agricultural crops‚ ensure food security and maintain biodiversity. Scientists Sebastien Kessler and Maj Rundolf sought to understand pesticide effects on bees. Through a laboratory study‚ Sebastien Kessler tested abilities of honeybees and bumblebees to taste common neonicotinoids. Unlike Kessler‚ Maj Rundolf assessed neonicotinoid impacts on bee colonies’ near canola fields. Each scientist had a unique plan
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Fibonacci’s Rabbits The original problem that Fibonacci investigated (in the year 1202) was about how fast rabbits could breed in ideal circumstances. Suppose a newly-born pair of rabbits‚ one male‚ one female‚ are put in a field. Rabbits are able to mate at the age of one month so that at the end of its second month a female can produce another pair of rabbits. Suppose that our rabbits never dieand that the female always produces one new pair (one male‚ one female) every month from the second
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by using the Waggle Dance. The significance of this dance has been widely debated‚ but Karl Von Frisch was the first to undercover the meaning of the dance. The dance is used to determine the direction and distance of food sources: For example‚ if a bee dances in circles of ninety degrees‚ this means that the food is at ninety degrees from the sun. I will use the information we have learnt about the Waggle Dance‚ in order to decipher whether Honeybees have‚ or have the ability‚ to learn a language
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freeze and die. Data has been collected to provide information about the areas associated with White Nose Syndrome in bats. Results shown White Nose Syndrome in bats does not impact all of North America‚ only in the southeast and east regions. Population decline indicated that the disease would threaten 32% of the bat species (Fred‚ 2013). White Nose Syndrome is a disease caused by the fungus Pseudogymnoascus destructans (formerly known
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mellifera‚ better known as the Africanized Honey Bee‚ has caused many environmental and health problems in all the nations that it has invaded. They are “commonly found in hollow trees‚ rotting logs and wood and rock piles” (A). Africanized honeybees are very aggressive and have been known to sting intruders up to 50 feet away from their hive and continue to chase the intruder for up to a mile. Most bees only attack with 10-20 bees but Africanized Honey Bees swarm with hundreds of bees. Their aggressiveness
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the peppered moth population‚ the blue mussels‚ and the finches that we studied. The peppered is a very good example of natural selection because there is already black moths in the population‚ but the peppered survived better before the industrial revolution.Though when the industrial revolution comes in the lichens on the trees die and the peppered moth begins to be eaten more by birds and black moths survive and become more common. This shows that the variation in the population helps because if
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Termites and other wood-boring bugs like carpenter ants do their dirty work behind the walls of our homes. Although we might see the swarmers‚ or reproductive termites‚ flying around during mating season‚ we rarely see the workers chomping away 24 hours a day‚ 7 days a week. Normally‚ we only know we have a termite problem when we see hollows or small‚ black holes in sheetrock or buckling wood in window or door frames. Aside from some preventative measures we can take to make our houses less appealing
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the hypothesis that there is something in royal jelly that when eaten‚ epigenetically affects methylation of DNA in the female so that there is lowered methylation‚ which in turn leads to higher gene expression and likely the phenotype of the queen bee. They tested this hypothesis with a few specific predictions. The first was to test whether or not RNAi (RNA interference technology) was working and actually blocking expression. This was carried out by injecting Dnmt3 siRNA into newly hatched larvae
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