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Waec biology practical answers…
1ai
A- Neck region
B- chest region
C- upper abdominal region
*1aii*
A- it allows the head to nod on it (i.e it permits nodding of the head)it fits into the oceipital condylies of the skull
B- it aids the attachments of the ribs
C- Lumber vertibra provides attachment for the abdominal muscles
(4ai)
Phylum
L – Arthropoda
M – Arthropoda
(ii)
Class
L – Insecta
M – Insecta
(4biii)
– 6 legs
– 4 wings
– chitinous exoskeleton
– antenna
(4ai)
Phylum
L – Arthropoda
M – Arthropoda
(ii)
Class
L – Insecta
M – Insecta
(4biii)
– 6 legs
– 4 wings
– chitinous exoskeleton
– antenna
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