Biology Questions and Answers

Digestive system: complete. Respiratory
system: cutanCirculatory system: closeeous or branchial.d, with
hemoglobin. Excretory system: a pair of

metanephridia in each metamere.Nervous system: neural chords, a (^) pair
of ganglia per metamere, anterior
concentration obrain). Types of reproduction: sexf neurons (primitiveual, (^)
with dioecious and monoecious beings.
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