Which of the Following Gymnosperms Retain the Ancestral Trait of Swimming

question 155

Multiple Choice

Which of the following gymnosperms retain the ancestral trait of swimming sperm?

• A) Cycads and ginkgos
• B) Ginkgos and conifers
• C) Conifers and cycads
• D) Gnetophytes and conifers
• E) Ginkgos and gnetophytes

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Definitions:

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The extent to which a test's scores accurately forecast or correlate with future behavior, performance, or outcomes.

Concurrent Validity

The degree to which the results of a particular test or measurement correlate with those of a previously validated measure taken at the same time.

Content Validity

The extent to which a test measures all aspects of the content it's intended to cover.

Kuder-Richardson Reliability

A measure of the consistency of test scores across items within a test, commonly used to assess the reliability of dichotomously scored tests.