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Ecological Order and Nutrient Cycle Quiz

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Ecological Order and Nutrient Cycle Quiz

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Questions and Answers

What do the roots of plants primarily do in relation to the soil?

Decay and enrich the soil

Emit carbon dioxide

Produce oil and coal

Prevent erosion (correct)

How do plants contribute to the movement of the Material Order?

By absorbing minerals from the soil

By holding the soil together

By emitting oxygen (correct)

By decaying into oil and coal

What is the relationship between Pranic Order and Material Order as described in the text?

They co-exist and deny each other

They have no effect on each other

They naturally exist in a relationship of mutual fulfilment (correct)

They are in a competition for resources

How does the Plant/Bio-Order contribute to enriching the soil?

By decaying and forming more nutrients Signup and view all the answers

Which aspect of plants helps in preventing soil erosion, according to the text?

Roots holding the soil together Signup and view all the answers

What is the role of primary production in an ecosystem?

Convert sunlight to chemical energy in plants Signup and view all the answers

In a mutualistic relationship, what is a common characteristic?

One species benefits indirectly Signup and view all the answers

Which of the following describes an example of commensalism?

Epiphytes growing on tree branches for shelter Signup and view all the answers

What characterizes a parasitic relationship?

One species gains resources at the expense of another Signup and view all the answers

Why does energy transfer efficiency vary among different ecosystems?

Because of factors like food web structure and nutrient availability Signup and view all the answers

What is the primary function of energy flow in an ecosystem?

Transforming organic molecules into useful energy for life Signup and view all the answers

What term refers to the complex interactions between living organisms and their nonliving environment?

Ecosystem relationships Signup and view all the answers

Which of the following is NOT mentioned as a physical factor influencing ecosystem relationships?

Wind speed Signup and view all the answers

What role do keystone species play in an ecosystem?

Having a disproportionate impact on their environment Signup and view all the answers

What is the primary function of decomposers in nutrient cycles?

Break down dead plant matter and release nutrients Signup and view all the answers

Which of the following is an example of a keystone species mentioned in the text?

Wolves Signup and view all the answers

What do nutrient cycles involve in an ecosystem?

Movement of essential elements like nitrogen, carbon, and phosphorus Signup and view all the answers