Question

WHICH PHYLUM CAN BE CALLED FIRST TO REPRESENTS CLOSED CIRCULATION​

Answer 1

Answer: PHYLUM ANNELIDA

Explanation: THIS PHYLUM CAN BE CALLED FIRST TO REPRESENT CLOSED CIRCULATION

Answer 2

Answer:

Phylum Annelida first represents closed circulation.

Explanation:

• The representation of closed circulation is the blood traversing within the vessels in the body.
• The organisms included under this category are earthworms to leeches.
• The circulatory system differs from one another similarly the habitat for such organisms are in saline, pure water, soils and possess two segments.
• The other category is the ‘open circulatory system’ where the blood moves in the coelomic cavity that is within the inner organisms.
• There are nutrients, particles and gases that are exchanged.