If an Ovary Contains 50 Ovules,what Is the Minimum Number

question 13

Multiple Choice

If an ovary contains 50 ovules,what is the minimum number of pollen grains that must land in order to form 50 mature seeds?

• A)25
• B)50
• C)100
• D)It is impossible to tell.

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Definitions:

Conservation

The protection, preservation, management, or restoration of natural environments and the ecological communities that inhabit them.

Concrete Operational

A stage in Piaget's theory of cognitive development where children begin to think logically about concrete events.

Preoperational

A stage in Piaget's theory of cognitive development (approximately ages 2-7) where children begin to use language and think symbolically, but lack logical operations.

Formal Operational

The stage in Piaget's theory of cognitive development where individuals learn to think logically about abstract concepts and hypothetical situations.