I think this is because of the parents of the pigeon which help it managed to transport itself to another part of the region. This can be the effort of parental investment to the offspring.
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The following are organelles in a plant cell but lack in the animal cell;
cell wall- serves to strengthen the cell structure
vacuole- has cell sap to keep the cell turgid
chloroplast- contains chlorophyll which absorbs light energy for photosynthesis
Answer:
Oxyuridae. Un grupo de gusanos.
Explanation: