Why Do Pine Trees Have Two Different Types of Cones

question 58

Multiple Choice

Why do pine trees have two different types of cones?

• A)One type produces the gametophyte, the other type produces the sporophyte.
• B)One type produces ovules, the other type produces pollen.
• C)One type is produced in the fall, the other type is produced in the spring.
• D)One type produces seeds, the other type produces fruit.

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Definitions:

Causality

The relationship between cause and effect, where one event (the cause) is understood to lead to another event (the effect) as a result.

Longitudinal Studies

Research designed to observe the same subjects over a period of time, allowing for the study of changes and developments.

Cross-Sectional Studies

Research designs in which subjects of different ages are studied at one point in time.

Developmental Trends

Describes the patterns and directions of growth, change, or progress in any developmental aspect over a period.