3 An ancestral species of deer became split into two groups and were geographically
isolated by glaciers. Thousands of years later when the glaciers receded two species
of deer that did not interbreed were present. What type of evolution occured? (AKS
110)
6

the element that provides strength to the exoskeletons of clams and oysters is phosphorus.

this is so because calcium carbonate is the main component in the shells. calcium carbonate is strengthened by phosphorus.

explanation:

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