Most Conifers Have Only Tracheids

question 92

Multiple Choice

Most conifers have only tracheids. Which structural feature allows water and minerals to pass from one tracheid to the next tracheid?

• A)sieve plates
• B)secondary cell walls
• C)pits
• D)stomata
• E)plasmodesmata

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Definitions:

Region of Rejection

The area in the tail(s) of a statistical distribution where, if a test statistic falls, the null hypothesis is rejected in favor of the alternative hypothesis.

T-statistic

A statistic used in hypothesis testing, specifically to determine the significance of the difference between two sample means.

Hypothesized Population Mean

The expected value of the mean for a population, as proposed in a hypothesis, that is tested for accuracy against sample data.

T-statistic

A ratio of the departure of the estimated value of a parameter from its hypothesized value to its standard error, used in hypothesis testing.