The acromion process

A) is part of the clavicle.
B) articulates with the coracoid process.
C) forms the most inferior part of the glenoid fossa.
D) has no function.
E) has an articulation with the clavicle.

microRNA binds to mRNA in the cytoplasm

A) post-translational modification
B) translation
C) RNA processing and transport
D) transcription
E) ​DNA-histone interactions

In a group of meerkats, a male gives a number of alarm calls that in total save the lives of two sisters as well as three offspring of another sibling. But by giving these alarm calls, the male is exposed to risk of attack from predators and eventually is killed by a hawk. As a result of a shortened life, he does not produce three surviving offspring that he otherwise would have had. What was the indirect fitness benefit to the male for his alarm-calling altruism?

A) 0
B) 0.25
C) 1.5
D) 1.75

The megaspore eventually becomes a _______-celled embryo sac after uneven cytoplasmic division.

A) three
B) four
C) seven
D) eight
E) sixteen