Leeches As A Friend Or A Foe?

An experiment was conducted to study and explore the circulatory system by exposing Lumbriculus variegatus, black worms, to household drugs. Lumbriculus variegatus was chosen as the experimental organism because of their transparent bodies and their simple physiology.

Elizabethan medical profession had no idea what caused the plague – the best they could was to

Leeches are a species of worm that can be found in a multitude of habitats. Such as lakes, ponds, rivers, wetland, forests and rain forests. The demeanor of the leech is always dependent on the habitat in which it lives. For example, leeches found in wetlands, lakes and, ponds can swim. Whereas leeches found in forests tend to slither more often than they swim.

Which don’t seem alike in features and characteristics, but through the insides of the anatomy shows differences and similarities. One of the differences I can quickly take off the list is that worms breathe out of their skins while humans breathe out of their lungs to their nostrils. Worms breathe out of their skin is because since they live in the dirt in which they would have to breath out of their skin. Another thing is that in the circulatory system in the worm, the blood mostly circulates through the vessels and the aortic vessels are the heart components in the worm. The human circulatory system is that the heart is the main component to the system and is the muscle used to pump blood.

They must be eukaryotic, meaning they have nucleus, and in the domain Eukarya. In the Linnaean classification this could be in the kingdom Protista like a paramecium. Another Linnaean classification of this could be in kingdom Animalia, since they are heterotrophs and their cells contain a nucleus. They could be grouped as predators, since the organism is engulfing another organism. They could also be grouped based on their locomotion. They could have cilia, legs, or even flagella.

What am I exactly eating? Where does our food come from? Why should I care? “The Omnivore’s Dilemma” may forever change the way you think about food. I enjoyed Mr. Pollan’s book, “The Omnivore’s Dilemma” and learned a great deal of information. Pollan’s book is a plea for us to stop and think for a moment about our whole process of eating. Pollan sets out to corn fields and natural farms, goes hunting and foraging, all in the name of coming to terms with where food really comes from in modern America and what the ramifications are for the eaters, the eaten, the economy and the environment. The results are far more than I expected them to be.

The book called The Omnivore’s Dilemma by Michael Pollan talks about 4 different food chains and their pros and cons. The Local sustainable farms let the animals roam free and feed them what the animals are supposed to eat. The food from the local sustainable farms are all natural with no pesticides or artificial fertilizer etc. The local sustainable food chain has the potential to feed all the people of America because it’s healthier for the consumer, animals eat what they are supposed to, and it’s healthier for the environment.

• Conch: name give to a number of sea snails, also known by their shell

Eating animals is normal for any carnivore, but abuse to these animals is unacceptable. There are religions and traditions when it comes to eating and killing animals, usually to be viewed sacred and not like they are nothing. Humans have morals and traditions that separate barriers with farm animals and pets.

In the book, The Omnivore’s Dilemma, by Michael Pollan, Pollan introduces some very interesting ideas and positions relating to the how and what we eat. Pollan poses the questions: Is America eating the right kind of food? Is what we are eating healthy? And, where is our food coming from, how is it treated, and what is in the food we eat? Throughout the book Pollan places his own argument alongside the answers to these questions. He moves the reader to reflect on the evidence presented about eating organic foods rather than processed foods. Pollan also puts forth a compelling, and strong argument that contains ideas, like food is of higher quality and has better taste when it is not

Michael Pollan, The Omnivore’s Dilemma: The Secrets Behind What You Eat (Young Reader’s Edition) - Grade 7

Consequently, there was no real understanding of the human body and how it functioned. At this period in time, such remedies as using leeches for blood-lettings were common practice in Europe(McGovern, 75).

Amidst giant supermarkets and effortlessly accessible meals, Americans eat whatever is in the grocery store. But the question remains, where did that “cage-free” chicken really come from? Americans are lost in their understanding as to where their food actually comes from. The author of The Omnivore’s Dilemma, Michael Pollan, asserts that Americans are facing a modern-day version of the omnivore’s dilemma wherein they don’t know what to eat. This is because of fickle science that influences confused Americans, America’s lack of a food culture, and people’s unfamiliarity with the food process.

For those with a taste for muckraking exposés, documentarian Robert Kenner dishes out the dirt on the U.S. food industry, from bad seeds to hog heaven and beyond. If this movie doesn’t make you want to drop your burger and run for the border, nothing will.

Sea worms all have some resemblance to the common earthworm. The only difference is that the sea worms have now evolved to many different shapes and sizes depending on where they live among the reefs. The coral reef thrives for the worms eating, building, reproduction, and excretion habits (animals).