For Water Fleas of the Genus Daphnia, Switching from a Pattern

question 79

Multiple Choice

For water fleas of the genus Daphnia, switching from a pattern of asexual reproduction to sexual reproduction coincides with

• A)environmental conditions becoming more favourable for offspring.
• B)greater abundance of food resources for offspring.
• C)periods of temperature or food stresses on adults.
• D)completion of puberty.
• E)exhaustion of an individual's supply of eggs.

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Definitions:

Press-fit Bearing

A type of bearing installed by pressure without the need for bolts or adhesives, creating a tight fit.

Bearing Puller

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Bearing Mandrel

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Metric Micrometer

A precision measuring instrument that uses a calibrated screw widely used for precise measurement of small distances in the metric system.