Some Plants, Such as Cacti, Have Developed Spines as a Means

question 227

Multiple Choice

Some plants, such as cacti, have developed spines as a means of protection.Spines are most likely modifications of which plant structure?

• A) Stems
• B) Roots
• C) Branches
• D) Leaves
• E) Seeds

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Definitions:

Short Run

A period where at least one factor of production is fixed, typically seen in economics as a timeframe where businesses cannot adjust all inputs.

Long Run

A period sufficient for all markets and factors to adjust, allowing full analysis of economic conditions without the constraint of fixed inputs.

Coefficient

A numerical or constant factor in a mathematical expression, showing the degree of some change under certain conditions, often used in equations to measure relationships between variables.

Price Elasticity of Supply

This measures how much the quantity supplied of a good changes in response to a change in the price of that good.