The Following Questions Refer to the Diagram of an Embryo

question 54

Multiple Choice

The following questions refer to the diagram of an embryo sac of an angiosperm shown in Figure 30.1.
Figure 30.1
-Based on Figure 30.1,which cell(s) guide(s) the pollen tube to the egg cell?

• A)A
• B)B
• C)C

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Definitions:

Cross-lagged Surveys

Studies that measure two or more variables over time to assess the direction and strength of causal relationships.

Surveys

Research tools comprised of questions aimed at gathering information from respondents about their opinions, behaviors, or characteristics.

Open-ended Question

A question structured to allow respondents to provide detailed and qualitative answers in their own words, without limits.

Survey

A method of gathering information from a sample of individuals designed to represent a larger population.