Lorenz and other ethologists believed that the foundation of the bond between the young of the species and their mothers was

I believe that the answer for the statement above is:

protection

To complete the sentence and to fill in the blank:

Lorenz and other ethologists believed that the foundation of the bond between the young of the species and their mothers was protection.

abu bakr, was a senior companion and—through his daughter aisha—a father-in-law of the islamic prophet muhammad. abu bakr became the first openly declared muslim outside muhammad's family. abu bakr served as a trusted advisor to muhammad.