Annelids have closed circulatory system
The answer of the question is A
Answer:
I'm sorry but what exactly is your question?
Answer:
Hematopoiesis
Explanation:
Hematopoiesis is the process of blood cell formation and this occurs in the bone marrow. Hemato- is Greek, which means blood. -Poiesis is Greek, which means, creation or production. The bone marrow produces some white blood cells, all red blood cells and platelets. Its purpose is to produce blood for the living organism and replenish blood lost.
Answer:
An association between two organisms in which one benefits and the other derives neither benefit nor harm.
Explanation: