The answer would be : Porifera-Gastrovascular Cavity, coleom present
Porifera refer to the types of living organisms that have pores all over their body, most of them live underwater.
Porifera Gastrovacular cavity only consist of gut only. They are known not to have any coleom present
Answer:
the older person who has retired or receives an old age pension is senior citizens
Answer:
In an office, every employee has an absolute and comparative advantage depending on the type of work he/she is best at.
In Hector's office, the employee Sasha worked as a computer designer and was excellent in her work. This means that the employee Sasha had an absolute and comparative advantage as she was efficient in her work and hence, there was no opportunity cost of her side of work.
The employee, Maurice was best in logo designing. Hence, he had a absolute and comparative advantage as he was good in logo designing and their was no other opportunity cost for his work.