When comparing two groups, the ______________, the more confident we are of the conclusion that a significant difference exists in the groups.
A) larger the variation in each group
B) smaller the variation in each group
C) smaller the difference between the two groups
D) fewer the number of individuals in each group
E) more variables we measure
D) fewer the number of individuals in each group
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With __________, an animal stops responding to an ongoing stimulus. Fill in the blank(s) with the appropriate word(s)
The pollen grains of pine each consists of three cells
____________________ Indicate whether the statement is true or false.
The sexual life cycle of plants is described as alternation of generations because it alternates between
A) reproductive plants and vegetative plants. B) eggs and sperm. C) flowers and spores. D) male plants and female plants. E) sporophytes and gametophytes.
Which disease is caused by members of the genus Mycobacterium?
A) Cholera B) Diabetes C) Leprosy D) Influenza E) Tetanus