Toad and Rat dissection free essay sample

Materials and Safety/Ethical considerations: List materials used in the dissection Safety and hygiene equipment: Gloves Glasses Newspaper All benches were wiped Method: 1. A rat and a cane toad were dissected to compare their similarities and differences in anatomy structure. 2. Newspaper was laid out under the dissecting trays. 3. The external features of each animal was investigated and notes were collected. 4. The internal features of each animal were investigated and notes were collected. 5. Dissecting materials were placed into a container of Dettol. 6. The rat and toad were wrapped up into the newspaper and discarded in the bin. Tables and aprons were sprayed and wiped down. Results – Include your table of observed notes (primary data), any diagrams or photos. Rat Toad External features White short hair- keeps the rat warm Little eyes- Has bad hearing Whiskers- To help guide the rat from running into things Long nose- Used to smell poison or other bad foods Short stubby legs Long tail- for balance No fur, moist skin- its environment is always wet Big eyes on the side of the head- used to see predators Small nose with hard shell around it Short strong legs Internal features Long small intestine Locomotion Short stumpy legs- To scatter quietly Claws- To open and scratch objects Short strong legs- to jump Webbed feet- to swim through water Feedings Insects : maggots, flies and Discussion: Discuss the similarities and differences of the anatomy of the rat and the toad. We will write a custom essay sample on Toad and Rat dissection or any similar topic specifically for you Do Not WasteYour Time HIRE WRITER Only 13.90 / page This should include a discussion about size/colour/shape of external and internal features (this section is written using primary and secondary data making reference to your results section). In this dissection it was clear how the toad and rat were different, even though they did share some similarities. A difference that is clear is the difference of size between them. The toad is larger and rounder, as its structure is larger to suit its environment. In the toads environment it is full of prey and water, if it was small it would be eaten straight away and the toad population would of died out. The rat on the other hand is quite small, because of this they are quite fast. This is for the reason that they fit inside little wholes and have to be quiet and fast moving to survive or the will kill them. The rat has a tail as is then able to keep balance whereas the toad is larger and can keep balance by its self. Another difference between these two animals is that their internal features are quite different. As was shown the dissection, the rat’s small intestine is lengthy when stretched where as the toads small intestine is small in length but large in width. A similarity between the two animals that is quite obvious is that these two have ‘ Investigate and discuss comparative embryology making links to how these two animals have evolved from a common ancestor. Investigate and discuss comparative anatomy with reference to the pentdactyl limb discussed in class this term. Investigate and discuss how each animal has evolved through adaptations to be best suited to their natural habitat or environment. Conclusion: a concise summary paragraph about what has been learnt and explained in your discussion. Bibliography: Class notes and dissections (please refer to the diary for the correct formatting of these references) Secondary data sightings Appendix: if you wish to include internal images from the internet of your animals these would be included as an appendix rather than placed in your result or discussion sections of the report. They would be referred to as Appendix 1, Appendix 2 and be mentioned in your discussion text.

Creative Essay Topics - How to Come Up With Great Topics For Your Essay

Creative Essay Topics - How to Come Up With Great Topics For Your EssayCreative essay topics are important if you want to write a winning essay. If you only have one or two good ideas in mind, it's very easy to get bogged down by all the stuff you have no knowledge of and therefore you forget that you're supposed to put some creativity into your essay. Fortunately, this problem is easily fixed with a little bit of practice.Creative essay topics are usually pretty easy to come up with. You can't just wing it, so there isn't a need to think about every single detail that could make your essay dull. Instead, use what you know and you're more likely to come up with something original and interesting that other people will enjoy reading. That being said, don't try to be unique because you'll just end up coming across as trying too hard.One of the best ways to come up with an essay topic is to spend a lot of time reading on the subjects that interest you the most. After all, writing on som ething that interests you is bound to impress other people as well. Also, you might find that you know a lot about the subject and you can use this knowledge to give you an original idea for your essay.You might also want to write down some things that you think about when you're thinking about things and trying to figure out how to make something happen. For example, if you're trying to figure out how to cook something, then you might be surprised by how many ideas pop into your head. This might just be what you need to come up with a creative essay topic.Don't be afraid to take chances in different ways, either. It's not that you need to come up with a totally original idea for your essay; after all, the point of an essay is to express yourself and to share what you know. What you should do is come up with different approaches and try them out. Creative essay topics don't have to be so complicated that you feel that you need to hire a writer to do it for you. In fact, you might ev en end up doing it all on your own. Consider the points above when you're brainstorming ideas for your essay topics, but keep the format and the content of your paper in mind.As with any writing project, you should be clear about the type of essay topics that you want to write. That way, you can stick to a basic plan and make sure that you're getting it right. It might be tempting to try something new and unusual, but you don't want to make your readers feel that they're on the outside looking in when it comes to your essay topics.If you can avoid doing something that you're not sure about, then that's a good idea. Keep in mind that if you're not a writer, you might need someone to help you write out the points. It's better to be safe than sorry.