What are the Characteristics of Phylum Echinodermata
Characteristics of Phylum Echinodermata
- i) These are called Echinodermata because their body is covered with spines and sprnes.
- ii) These animals are unique.
iii) All animals of this phylum are exclusively marine.
- iv) All animals have internal skeleton.
- v) They also have a water vascular system.
- vi) They have gills to respire.
vii) Their common examples are sea star, brittle star, sea urchin etc.
Note: Interviewer. Some companies conduct surveys, market research. They need to know the opinion about the product, service, quality of service. Some TV and radio stations initiate polls to find out the ratings of certain programs and understand the interests of the audience. From the employee it is required: sociability, sociability, ability to work with people. Promoter. Work as a promoter for students also belongs to the category of temporary types of earnings, since advertising campaigns conducted by firms are usually of short duration. Some companies need an initial “promotion” of goods or services among the population, others hold promotions, sales, tastings, etc. From a young man will need: a good appearance and neatness (this depends a lot), sociability, the ability to represent goods well, a service. Sometimes an employer can create an additional requirement for appearance.