Adult male humans generally have deeper voices than do adult female humans. Which of the following processes was most likely occurring given that the fossil records of apes and humans alike show a trend toward decreasing larynx size in adult females and increasing larynx size in adult males?
A) sexual dimorphism was evolving over time in these species
B) intrasexual selection seems to have occurred in these species
C) stabilizing selection was occurring in these species concerning larynx size
D) selection was acting more directly upon genotype than upon phenotype
Correct Answer:
Verified
Q42: A proficient engineer can easily design skeletal
Q43: Imagine a small herbaceous flowering plant whose
Q44: When a species deviates from a 50:50
Q45: Which of the following statements about evolutionary
Q46: Imagine a human population with an extremely
Q48: Which of the following reasons best explains
Q49: Three-spined stickleback fish (Gasterosteus aculeatus) show substantial
Q50: Pigs are vulnerable to infection by bird
Q51: A researcher has maintained a small population
Q52: Two scientists measured the snout-to-vent (anus) length
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents