Angiosperms Are the Most Successful Terrestrial Plants

question 11

Multiple Choice

Angiosperms are the most successful terrestrial plants. Which of the following features is unique to them and helps account for their success?

• A) wind pollination
• B) dominant gametophytes
• C) fruits enclosing seeds
• D) embryos enclosed within seed coats
• E) sperm cells without flagella

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Definitions:

Mean

A measure of central tendency that is calculated by adding all numbers in a data set and dividing by the number of observations.

Median

Value of a variable that splits a distribution of scores in half, with the same number of scores above the median as below.

Standard Deviation

A statistic used to determine the degree of spread or variation among data values in a series.

Bimodal

Describes a distribution or data set that has two distinct modes or peaks in its frequency of occurrence.