Which of these hormones stimulates the production of testosterone?
A) Inhibin
B) LH
C) Chorionic gonadotropin
D) GnRH
E) FSH
B
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The folding of tissue around the neural plate and notochord is known as ____
a. gastrulation b. apoptosis c. adhesion d. neurulation e. embryogenesis
Who is considered the "father of Wester medicine"?
A. Marcus Terentius Varro B. Thucydides C. Antonie van Leeuwenhoek D. Hippocrates
You would find a closed circulatory system in
A. cockroaches. B. snails. C. squid. D. earthworms. E. squid and earthworms.
What is the significance of genetic variation?
a. it influences population interactions b. it interacts within the biosphere c. it is the raw material for sexual reproduction. d. it is the most fundamental level of species classification e. it is the raw material for adaptation, speciation, and evolution; and it is the most fundamental level of biological organization