In the bottom wave, how many complete wavelengths are there from 0-25 on the x axis?

How does the molecular clock work? a. it analyzes the brain functionality of two different species.b. it examines and compares the physical characteristics of two different species.c. it illustrates relationships between two different species.d. it compares the number of mutations that exist in the dna of two different species.

Aboy jumps into a cold swimming pool and his body tempature goes down hus muscles ,blood vessels

What does the hardy-weinberg principle relate to? a. chances of survival of an organism b. frequency of alleles in a population c. natural selection in a species d. causes of evolution among organisms