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The Living World 8th Edition by George Johnson
النسخة 8الرقم المعياري الدولي: 978-0078024214The Living World 8th Edition by George Johnson
النسخة 8الرقم المعياري الدولي: 978-0078024214 تمرين 9
In modern phylogenetic analysis of the animals, the protostomes are divided into two major groups based on what characteristic?
A) body symmetry
B) presence of a head
C) ability to molt
D) presence vertebrae
In the new phylogeny, arthropods and nematodes are both Ecdysozoa. Does this mean the coelom evolved more than once?
A) body symmetry
B) presence of a head
C) ability to molt
D) presence vertebrae
In the new phylogeny, arthropods and nematodes are both Ecdysozoa. Does this mean the coelom evolved more than once?
التوضيح
موثّق
موثّق
The original protostome group has been b...
The Living World 8th Edition by George Johnson
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