requirements, the role of the immune system in controlling infections, the control of animal parasites…
It is likely that the impoverished housing in poor areas allow the parasites to live and also allow animals to be in contact with human feces and humans to be in…
Ectoparasites are external parasites that live on the outside of an organism’s body. These parasites feed on the blood of an animal. When the parasites attach themselves to the outer layer of the organism’s skin they remain there for their entire life thriving off the host and entirely depend on the host for nourishment. Ecto parasites usually live in colonies and make nests on the hosts skin rapidly multiplying…
all the rodents are dead, or the fleas find a new food source, usually domestic rats. Once a…
A parasite is an organism that lives on or inside another organism to the detriment of the host…
Parasite which cannot live without a host. has certain behavioral and anatomical features that are…
Parasites. Malaria is caused by a tiny parasite that is transmitted by a mosquito bite. Other parasites may be transmitted to humans from animal feces.…
Infection – is an invasion to body tissues from a disease- caused microorganism. Colonisation – is multiplication of microorganisms without tissue invasion or damage.…
(7) Cats are known to get many parasites or infectious microbes like roundworms, hookworms, giardia and campylobacter…
As the parasite becomes host specific it allows the parasite to have morphological changes that will aid in the extraction of resources from the host. “ It has often been notes that the site selection process often has a connection with the biology of the parasite. We can often relate to this by looking at the strigeoid tremaatodes and the specific sites they tend to occupy in the fish” (Matisz 2010). In order to further test the site selection process a group of research tried to infect different types of fish with metacercariea and see how long it would take them to actually get to the brain. After monitoring the fish and the metacercarie for 24 hours, they were able to confirm that they migrated to specific places in the brain via spinal cord and then cranial nerves. More specifically they were able to find a lot of the metacercaire in the optic lobe of the fish via an electronic microscope. However, the bigger question is why would the parasites participate in such migration and what benefits does this give the parasite. The major answer behind this phenomenon tends to be the idea of fixed action patterns. “Certain stimuli often offer fairly predictable condition within an environment”(sukhdeo 1997). These predictable behaviors often become fixed over time and offer a huge fitness advantage. Due to the genetically fixed patterns, parasites have become site specific. This…
If you don’t wash your hands, not wearing personal protective clothing, not clearing surroundings, not covering your mouth and nose when you sneeze or cough.…
The bacteria can come in four, different forms: bubonic, pneumonic, enteric, or septicemic plague. This plague usually is discovered living in a flea known as Xenopsylla cheopis. The particular flea lives on mammals, especially rodents. The Yersinia pestis living in the flea’s stomach grows multitudinously and blocks the flea from swallowing. The flea then will regurgitate the bacteria onto the rodent, which will eventually kill it.…
Parasites are organisms that make their living by residing attached to or within another organism. They use the organism for food, shelter, and a place to reproduce. Depending on the parasite the number of hosts may vary, as well as the transmission and effects. Yet, in most cases of parasite infection the host is negatively affected, and often times falls ill; not only due to a natural immune…
The cause for this disease and start if the black death is believed to be from bacteria that lived in fleas stomachs. These fleas lived on rodents but mostly only lived on the black rat. The fleas would live on the rodent and infect it. When the rodent would die the flea would…
Cat scratch disease, also known as catch scratch fever, is caused when someone may get a scratch or bite from. The infection is usually caused for reasons of bartonella bacteria from the scratch or the salvia from the cat’s bite. Cat’s are carriers of the disease and do not show illness, only humans will get ill from disease cat’s will just receive it from mostly fleas from other cats. If you pet a cat and rub your eyes with your hand that is another less likely way the disease can spread. A kitten is more likely to carry the disease over the older cats.…