Adaptations that can be passed from generation to generation can lead to __________ of a population of a species.
Fill in the blank(s) with the appropriate word(s).
Evolution
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If an organism has four pairs of chromosomes, after meiosis, the daughter cells will contain how many chromosomes?
A. 8 B. 2 C. 4 D. 16 E. 32
Amphibians:a
may exchange gases across their body surfaces. b. all have fairly simple, book lungs. c. all have gills and swim bladders, homologous to those found in fishes. d. are characterized by having parabronchi across which most of the gas exchange occurs. e. have a large oxygen demand that is met by using a countercurrent gas exchange mechanism
Once labor begins in childbirth, contractions increase in intensity and frequency, causing more contractions to occur until delivery. The increasing labor contractions of childbirth are an example of which type of regulation?
A) positive feedback B) negative feedback C) feedback inhibition D) enzymatic catalysis
A(n) ________ has a higher pH than a(n) ________
Fill in the blank(s) with correct word