Question

Give an
example of a phylum where all members have
i)
Open circulatory system
ii)
Closed circulatory system​

Answer 1

Explanation:

i)Open circulatory system

Organisms with Open Circulatory Systems

Two of the largest phyla in the world, Arthropoda and Mollusca, have an open circulatory system. Arthropods, members of the phylum Arthropoda, include most insects and sea organisms like crabs and lobsters.

ii)Closed circulatory system

Annelida. While some small segmented worms of the phylum Annelida have no separate circulatory system, most have a well-developed closed system.

Answer 2

I) Arthropoda ( joint legs)
II) Mammalia ( mammals )