Which Saliva Component Keeps the Mouth PH Between 6

question 62

Multiple Choice

Which saliva component keeps the mouth pH between 6.5-11.5? ​

• A)mucin
• B)salivary amylase
• C)water
• D)pepsin
• E)bicarbonate

Understand the concepts and mechanisms of speciation, including sympatric and allopatric speciation.

Describe the role of genetic variation and natural selection in the evolution of species.

Explain the significance of reproductive isolating mechanisms in the speciation process.

Identify the factors that contribute to the diversification of species in different habitats.

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