The various taxonomic levels (for example, phyla, genera, classes) of the hierarchical classification system differ from each other on the basis of _____

A) how widely the organisms assigned to each are distributed throughout the environment
B) their inclusiveness
C) the relative genome sizes of the organisms assigned to each
D) morphological characters that are applicable to all organisms


B

Biology & Microbiology

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In plants, the gametes produced by a particular gametophyte are ____

a. always identical because they result from meiosis b. always identical because they result from mitosis c. sometimes identical because they result from meiosis d. sometimes identical because they result from mitosis e. never identical because they result from meiosis

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How many life stages do cnidarians generally have?

a. four b. two c. three d. one e. five

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During chemiosmosis, a hydrogen ion gradient is linked to the production of ATP

Indicate whether the statement is true or false

Biology & Microbiology