The main difference between polychaetes and oligochaetes is that the polychaeteshave a pair of parapodia per body segment that bear many bristles. But, oligochaetes have few bristles on their outer surface of the body but, no parapodia. Furthermore, polychaetesinclude bristle worms that are generally marine, while oligochaetes include earthworms that are aquatic and terrestrial.  Polychaetes and oligochaetes are two subclasses of phylum Annelida. Generally, annelids are segmented worms that live in marine, aquatic, and terrestrial habitats.

Marketers use the positioning process to identify the distinctive place they want a product or service to hold in the minds of a target market segment. ... Differentiation identifies a set of characteristics and benefits that make a product different and better for a target audience. What is product differentiation and positioning?After identifying differences, marketing moves on to figuring out ways to situate the product favorably in potential consumers' minds in relation to its competitors.

A piano is more grand and organic, whereas a keyboard is more modern and digital. This has led to some to criticize the sound of the keyboard as being a cheap imitation of the piano. However, the keyboard is much more versatile than a piano, which is why it is more popular today. While, the piano must be tuned and maintained properly, the keyboard has not such requirements. It can be stored for years, and then pugged in and played.

Key difference: Tablets are a cross between smartphones and laptops, have a bigger screen than smartphones and provide a better multimedia experience. Smartphones are mobiles that have capabilities like mini handheld computers. A little while back we only used mobiles. The latest trends were smartphones, such as an iPhone or a Blackberry. Then, Apple launched the iPad, a new device that led to the rise of tablets. Tablets and smartphones have a number of functions that overlap, but still each has its own set of distinct features that have given rise to the popularity of each device.

Anatomy deals with the structure and structural organization of living beings. It is categorised as a branch of natural science. Anatomy is a very ancient science and has been used since the prehistoric period. The basic function of anatomy is to study the movements of the body parts of living beings. Abduction and Adduction form the part of an anatomical structure of the body. Abduction vs AdductionThe main difference between Abduction and Adduction is the movement in a direction with respect to the midline or centre of the body.

Key Difference: Atoms are the basic units that all matter is made of and they are the smallest part of any object. An ion is any atom whose protons do not equal its electrons. Atom and ion are two different terms that are a major part of chemistry. These two terms make up chemistry’s basic foundation and a person looking to understand how things are made up will find they will have to understand these terms completely.

The release of the Titan pickup truck was the first of its kind back in 2017 for Nissan. This pickup truck has not seen the limelight ever since its release due to its competitors. On the other hand, GMC is also in a precarious position when it comes to its trucks. Many believe that even though the interiors are one of the best, it does not deliver on the driving experience.

What is Period Symptoms? Period (menstruation) is the outflow of the functional layer of the endometrium that occurs with bleeding after the death of the egg. This layer is prepared to shelter the egg, in case it is fertilized. Menstruation is repeated from puberty to menopause periodically, on average 28 days. The shortest normal interval is 21 days and the longest is 35 days. The different length of the menstrual interval in women is explained by hereditary and individual characteristics.

Key Difference: Acne is the disorder of the skin that is characterized by presence of pimples, blackheads and whiteheads. Rash can be referred to a temporary eruption or discoloration of the skin. It is generally inflamed or swollen. Acne and rash, both are related to skin problems and can be really dangerous if turns out to be severe. Many people relate acne and rash. However, acne is a disease and rash is the condition; rashes may also occur due to acne.

The Soviet Union and Russia are two terms that get often confused and mixed up but are different in many ways. The Soviet Union is a union, while Russia is a county. Soviet was made up of 15 republics during the 1900s. While Russia, on the other hand, is a country in Asia. The Soviet Union officially is named as “Union of Soviet Socialist Republic”. This was a single-party state and was also the first state to declare itself as socialist.