How Does the Sperm of an Angiosperm Reach the Egg

question 8

Multiple Choice

How does the sperm of an angiosperm reach the egg?

• A)by actively swimming down through the style to the egg
• B)usually via an insect,which places sperm in the ovary while probing for nectar
• C)via the pollen tube that grows from the ovule to reach the pollen grain on the stigma
• D)via the pollen tube that grows from the pollen grain through the carpel tissues to the ovule

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Definitions:

Direct Material

Raw materials that can be directly traced to the production of a specific product and are a significant component of its cost.

Variable Overhead

Costs of overhead that vary directly with the level of production, such as utilities or indirect materials.

Power Cost

The expense associated with the consumption of electrical energy by a company's operations.

Efficiency Variances

These variances measure the difference between the actual input used to produce a good or service and the standard input expected to be used, showing how efficiently resources are utilized.