The most important factor for reproductive success of a male is ________
a. all of the choices
b. the amount of food he can provide the female and young
c. the quality of his female partners
d. the number of eggs he can fertilize
d
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Which statement is correct regarding acids and bases?
A. Bases increase the proportion of hydrogen ions (H+), and acids reduce the proportion of H+. B. Acids increase the proportion of oxygen ions (O+), and bases reduce the proportion of O+. C. Bases reduce the proportion of oxygen ions (O+), and acids increase the proportion of H+. D. Acids increase the proportion of hydrogen ions (H+), and bases reduce the proportion of H+.
The lineage ____ are the fleshy-finned fishes, with fins supported by muscles and an internal bony
skeleton. Based on the fossil record, tetrapods apparently arose from this group.
a. Petromyzontoidea b. Chondrichthyes c. Actinopterygii d. Myxinoidea e. Sarcopterygii
The diagram shows the monomers, glucose and fructose, before occurs, which builds a polymer via the removal of water.
A. reproduction B. dehydration synthesis C. oxidation D. evaporation E. hydrolysis
A recessive trait that is inherited through complete dominance can occur only if both parents are heterozygous for the trait
Indicate whether the statement is true or false