Multiple Choice
In larger terrestrial animals,the testes are in the scrotum rather than in the abdomen because
A) there is lack of room in the abdomen.
B) this provides for a shorter sperm path.
C) this provides a more direct blood supply.
D) it provides greater protection to the testes.
E) it keeps the temperature lower for sperm development.
Correct Answer:
Verified
Correct Answer:
Verified
Q2: The outermost layer of differentiating sex cells
Q3: A strange system of reproduction,where there are
Q4: Parthenogenesis is<br>A)asexual but haploid by means of
Q5: Why is the haplo-diploid system of bees,wasps,and
Q6: In the male reproductive system,the Sertoli (sustentacular)cells<br>A)produce
Q8: Development of an embryo from an egg
Q9: In reptiles and birds the reproductive and
Q10: In whiptail lizards,only females exist.Two females court
Q11: A rattlesnake holds its eggs internally and
Q12: Male sexual behavior is promoted by<br>A)androgen.<br>B)testosterone.<br>C)estrogen.<br>D)ecdysone.<br>E)progesterone.