Double Fertilization Reduces the Energetic Cost of Reproduction

question 85

Multiple Choice

Double fertilization reduces the energetic cost of reproduction.In gymnosperms,the female gametophyte stockpiles food for the embryo in advance of fertilization.The investment is wasted if no zygote ever forms.In contrast,double fertilization ensures that an angiosperm devotes energy to the zygote only if sperm fertilizes egg.Where is this energy stored in a fertilized angiosperm?

• A)endosperm
• B)stigma
• C)zygote
• D)pollen
• E)egg

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Definitions:

Direct Labor

Labor costs directly attributable to the production of goods, including wages of workers who are actively involved in the manufacturing process.

Direct Materials

Raw materials that are directly traceable to the manufacturing of a product and constitute an integral part of the finished product.

Unassembled Product

A product that is sold in parts and requires assembly by the customer or retailer before it can be used.

Assembled Product

A product that has been put together from various parts or components, ready for sale or use.