Introduction
Predation is the biggest challenge for survival for many organisms. Survival requires the consumption of resources, such as other organisms, separating living organisms into two categories: predator and prey. According to Ruxton (2008), organisms use the ability to camouflage to make themselves seem invisible or difficult to see to their prey (Ruxton 2008). Types of camouflage vary from changes in the color of the body, to using material to blend in with the environment, or even making modifications to the body (Stevens and Merilaita 2009). The variations in the types of camouflage can slow down predation (Stevens and Merilaita 2009). Not only is camouflage useful in nature, but also in war for military use. Camouflage is used in war to avoid enemy attacks that can cause harm to
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Fifty black eyed peas were obtained from a controlled laboratory environment within the Cooper Ecology Lab located within the Ball State University campus. The navy beans represented the environment and the black eyed peas represented the organisms in the environment. Twenty-five of the black eyed peas were painted black which represented the non-camouflage prey and the other twenty-five black eyed peas represented the camouflage prey because they blend with the navy …show more content…
The mean predation rate for camouflage prey (11.45± 7.21) was 8.6 prey/ min slower than non-camouflage prey (20.13± 10.40) (Table 1). The mean camouflage content of the camouflage-covered prey was 8.68 ± 5.47 prey/min less than for prey not able to camouflage. The median predation rate for camouflage prey (9.83 prey/min) was lower than for non-camouflage prey (18.47 prey/min) (Figure
In Hector Tobar’s The Tattooed Soldier, Antonio migrated from Guatemala saw Longoria in the L.A. who killed Elena and Carlitos, who are Antonio’s spouse and son. People lived in Los Angles were frustrated with the government and power system at the time. Consequently, Antonio got revenge against Longoria for Antonio’s family, others who were murdered by Longoria in Guatemala, and his justice. Justice is based on an absolute human right: the right to life, and whatever violates that right is unjust. If the power system is allowed to violate vulnerable people, the weak have a choice to use violence to attempt to reveal the responsibility of those who abused power. However, seeking violent revenge is also unjust because it violates the right to life. Nonviolent resistance can be further power to save the victims without contravening the right to life.
Warwick, Hugh. “Agent Orange: The Poisoning of Vietnam.” The Ecologist v28 no. 5. 1998: 264-265.
This report is on a virtual experiment based on the real-life experiment accomplished by John Endler and David Reznick of the University of California. The goal is attempting to determine whether or not the level of predation effect’s the color patterns of guppies.
Foraging behaviour, an element for fitness is observed in all studied species both on land and in water. The locations where the various species foraged are determined by the availability of food supply, Dusky Moorhen feeds in both water for aquatic plants and land for seeds, grasses and shrubs. Pacific Bl...
Approximately, there is about 450 different noh masks. Most we see in majority of plays are variations of only sixty. Due to such a variety, it makes it difficult for scholars, let alone the audience to make decipher each classification. Hannya is a famous example of the masks changing for one character. This story is where an elderly woman transforms into a snake demon. However, if one is not looking closely or having prior knowledge, the snake demon mask can be mistaken easily for most other demon masks worn by female characters. Most scholars and performers categorize masks into five general categories.
Guppies that are more colorful are less likely to survive in environments with intense predation because they are easier to spot.
confusum have divergent behavior patterns. During an experiment between competition over limiting food resources (flour), T. casteum exhibited more aggression by eating their own larvae (Ho and Dawson 1966). Another experiment had similar results; after ten hours, 88% of T. confusum males and 33% females remained, and 2% of T. castaneum adults survived (Ghant 1966). The low population of T. castaneum is due to their cannibalistic nature. The purpose of conducting this experiment with the variable of different species is to determine whether or not there is more intraspecific competition in T. castaneum. In order to accomplish this, both populations of the Tribolium species will be measured over
This minimizes amount of material needed to catch prey - a balance of energy expenditure and success rate
The sessile consumers are those that are stationary and feed off small plankton creating competition for their food source allowing some sessile consumers to become more dominant compared to others. Mussels are the most dominant of sessile consumers with the Starfish and Green Crab as its predators. Goose Neck Barnacles are of the middle dominance with Whelk, Green Crab, and Starfish as its predators. The least most dominant sessile consumer are Acorn Barnacles whose predators are Whelk and Green Crab. As far as the mobile consumers go, Starfish prey on Mussels, Goose Neck Barnacles, and Chiton; Whelk prey on Acorn Barnacles and Goose Neck Barnacles, and has Green Crab as its predator; and Chiton prey on Nori Seaweed, Black Pine, and Coral Weed. Lastly, there is one more mobile consumer known as the Green Crab invading the environment. The Green Crab has been brought over from Europe and can gain competitive advantage over all other species in this environment (workbook). It invades the area and is a predator to all sessile consumers and the Whelk. It will eventually take over the environment without
The Hunting Ground, directed by Kirby Dick, has expressed many college students who have been raped on college campus face retaliation and harassment as they fight for justice. On college campuses across the nation, more and more victims are stepping forward towards the authorities reporting their incident of sexual assault. Still, only a few assaults are reported leaving the offender to roam freely and attack their next victims. We also see very few cases investigated properly and most on the less end perpetuators actually even getting convicted. The perpetrators frequently use alcohol and drugs to get women in a different state as a means to coerce them into having sex, and some simply uses force on them. The
Bird nests, in particular those located in areas of low density vegetation have a higher degree of predation than those located in areas of high density vegetation. Such nests in these locations are preyed upon by many species. In the following experiment bird’s eggs made of white plasticine to emulate that of a real bird egg were placed in bird nests made of tennis balls that had been cut in half which were then covered with coconut fibers that was glued to them, two of these artificial eggs were then placed in each nest- a total of two nests were created. One of the two bird nests was placed in an area of low density vegetation and the other was placed in an area of high density vegetation to test the hypothesis that there is a
The narrator is a young, African American man from the South with great public speaking skills. He is chosen to read a speech for the important white town leaders. The leaders first force him to participate in a humiliating “battle royale” against other African American boys. After, the narrator reads his speech and is rewarded with a briefcase and a scholarship to college. At college, he is chosen is drive around Mr Norton, one of the old, wealthy, white trustees of the school. Mr. Norton falls ill after visiting Jim Trueblood, a poor African American man who impregnated his own daughter. They visit a bar to get Mr. Norton a drink, but then a fight breaks out. As a result of the whole fiasco with Mr. Norton, Dr. Bledsoe, the head of the school, kicks the narrator out and sends him to New York City with recommendation letters to help him find a job. In New York, it is revealed that the recommendation letters
Natural selection is the name given to the development of species where they adapt their environment increasing the chances of survival and therefore allowing them to further produce offspring. As a part of evolution animals have the ability to alter their colour to better suit them to their environment. The stick insects placed in the environment were contrasting colours of the environments except for the brown stick insects who camouflaged in all habitats. An example of this is the Peppered Moth. The Peppered Moth are normally a grey colour with black speckles, but a genetic mutation can cause them to have black wings. The white moths found it easy to camouflage with the trees before the industrial revolution compared to the black moths, and therefore the black moths suffered from predation. During the industrial revolution, the air became polluted meaning that the darker coloured moths were harder to see. The black moths therefore had the favourable genes, allowing them to reproduce and increase in population. Therefore, this is a prime example of Natural
A war crime is an unjust act of violence in which a military personnel violates the laws and acceptable behaviors of a war. Despite all the violence in a war, a soldier shooting another is not considered a war crime because it is not a violation to the laws and practices of a war, and it is considered just. A war crime is defined as a “violations [violation] of the laws and customs of war” (“War Crimes”), and are attacks “against civilian populations, prisoners of war, or in some cases enemy soldiers in the field” (Friedman). War crimes are typically committed with weapons or by uncommon, cruel, devastating military methods and are “…Committed primarily by military personnel” (Friedman). There are many different types of war crimes one can commit, including “murder, ill treatment…murder or ill treatment of prisoners of war or persons on the seas, killing of hostages, plunder of public or private property, wanton destruction of cities, towns, or villages or devastation not justified by military necessity” (Friedman). Originally constructed as international law by the London Charter on August 8th, 1945 and further developed by the Hague Conventions of 1899, 1907 and the Nuremberg trials, war crimes are aggressive, unacceptable and unjust actions performed by military workforce that occur during a war.
Approximately 60 species of coral reef fish are thought to mimic another species of fish in the marine environment (Moland et al., 2005). Different types of mimicry exist among fish species, prompted by different aims. An ally to mimicry is protective resemblance which is most often than not, erroneously used as a synonym to the former. With mimicry, a fish tries to resemble another with the aim of being conspicuous, whereas with protective resemblance, a fish tries to be concealed.