What Is the Difference Between Cross- and Self-Fertilization

question 36

Multiple Choice

What is the difference between cross- and self-fertilization?

• A)In cross-fertilization the pollen from one plant is used to fertilize the egg of another plant.
• B)In cross-fertilization the pollen from one plant is used to fertilize the egg from the same plant.
• C)In self-fertilization the pollen from one plant is used to fertilize the egg from another plant.
• D)In cross-fertilization insects are used to pollinate the plants, whereas in self-fertilization the investigator pollinates the plants.

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Definitions:

Geologic Map

A map that shows the distribution, nature, and age relationships of rock formations and soil layers at the Earth's surface.

Chemical Analyses

The process of examining materials by various techniques to determine their chemical composition.

Alteration Minerals

Minerals that form as a result of chemical changes in rocks, often due to hydrothermal fluid activity.

Iron Ore

A natural mineral or rock from which iron can be profitably extracted, typically rich in iron oxides.