Which of the following is NOT one of Darwin's postulates?
A) Luck is an important factor in determining the fate of individuals.
B) Through natural selection, individuals with useful traits survive longest and leave the most offspring
C) Some of the differences seen in a population result from characteristics passed from parent to offspring.
D) In each generation, some individuals reproduce and others don't.
E) There is variation among members of a population.
A
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Fructose and galactose both have six carbon atoms, twelve hydrogen atoms and six oxygen atoms, just like glucose. A friend of yours says: "Since those sugars have the same number of atoms, they should have the same name." You answer: "While they do have the same number and type of atoms,
A. they are all polysaccharides and have slightly different functions within organisms and therefore have different names." B. they are named differently because of their quaternary structures, which is very important in carbohydrates, especially glucose." C. they are named differently because when heated above their optimal temperature they become denatured and will not react with their substrates." D. they are named differently because they are involved in different DNA nucleotide formation." E. they are named differently because they are alternate forms of the monosaccharide, glucose."
Which group of mammals exhibits the widest distribution and greatest diversity?
a. marsupials b. cetaceans c. placentals d. primates e. monotremes
Which classification grouping includes the greatest number of species?
A) Domain B) Order C) Phylum D) Kingdom
The RDA for protein translates into approximately what percentage of total daily kilocalorie needs?
What will be an ideal response?