Which is a specialised excretory cell found in Platyhelminthes that acts like a kidney, removing waste material through filtration?
The correct answer is B
92 51 21 13.5 x 4.25,
find the value of (10x + x ndash; 5)?
840 400 180 ? 15 -12.5
640 320 160 ? 40 20
12, 23, 68, 271, 1354, ?
27 32 42 57 77 ?
720 ? 240 180 144 120
2, 12, 36, 80, ?, 252
24 72 180 360 540 ?
5 11 32 65 ? 389
97 106 121 138 157 180
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