Filaments of a Fungus That Form a Velvety Cloak Around

question 27

Multiple Choice

Filaments of a fungus that form a velvety cloak around roots or penetrate their cells aiding in the mutualistic relationship between the plant and fungus are called ____.  

• A) hyphae
• B) mycorrhizae
• C) root nodules
• D) root hairs
• E) Rhizobium

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Definitions:

Decreasing Returns

A condition in economics where adding more input (like labor or capital) leads to progressively smaller increases in output.

Long-Run

A term referring to a period of time in economics during which all factors of production and costs are variable.

Short-Run

A period where at least one factor of production is fixed, and firms can only adjust the variable factors.

Diminishing Marginal Returns

A principle stating that as an investment in a particular area increases, the rate of profit from that investment, after a certain point, starts to decrease.