Answer: Some sticklebacks were stranded in lakes that were formed in the ice age
Answer:
The answer is juxtamedullary nephrons. Hope this helps.
Answer:
ABO blood group system, the classification of human blood based on the inherited properties of red blood cells (erythrocytes) as determined by the presence or absence of the antigens A and B, which are carried on the surface of the red cells.
Explanation:
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