Which law of thermodynamics explains energy inputs and outputs in chemical reactions?
1.the first law of thermodynamics: energy cannot be created or destroyed
2.the second law of thermodynamics: energy tends to spread out spontaneously.
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The osmoregulatory/excretory system of an insect is based on the operation of _____
A) protonephridia B) metanephridia C) Malpighian tubules D) nephrons E) ananephredia
The idea of spontaneous Generation postulated that
A. organisms could evolve into the next generation of organisms. B. organisms could spontaneously combust. C. organisms could spontaneously arise from other living organisms. D. living organisms could spontaneously arise from non-living material.
Identification and characterization of ova, trophozoites, and cysts of parasites is typically accomplished by direct microscopic evaluation of the clinical specimen.
Answer the following statement true (T) or false (F)
In males, gonadotropin-releasing hormone stimulates the __________ to secrete __________
a. anterior pituitary; inhibin b. anterior pituitary; FSH and LH c. anterior pituitary; testosterone d. posterior pituitary; FSH and LH e. posterior pituitary; testosterone