Bauplan is the assembly of the body structure which is common in the organisms belonging to the same phylum. The Same bauplan determines that a body part of the organisms are same and they will be in the same phylum in the Evolution also. Bauplan includes symmetry, segmentation, and limb disposition.
Answer: d is the answer
Explanation becsaue it is
Overproductionmore offspring can be produced than can survive to maturitygenetic variationwithin a population, individuals have different traits and the traits can be inherited.struggle to survivecompete for food and shelterDifferential reproductionorganisms with the best adaptations are most likely to survive and reproduce<span>
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<span>Countercurrent oxygen exchange I think
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