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Agronomy Exam 1_ (2)

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Agronomy Exam 1_ (2)

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  • July 18, 2024
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  • 2023/2024
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Agronomy Exam 1
Malthusian Theorem - CORRECT ANSWER-a population projection that suggests
the population will exceed the available food supply because populations grow at
geometric rates while food supplies grow at arithmetic rates

How has food production kept up? - CORRECT ANSWER--Breeding
-GMO's
-Pesticides
-Mechanization
-Education of farmers

What are some future production concerns? - CORRECT ANSWER--Loss of arable
land
-Deforestation
-Inadequate supply of fertilizer
-Low margin of return from farmer

What is agriculture? - CORRECT ANSWER-Cultivation of animals, plants, fungi, and
other life forms for food, fiber, biofuel, and other products used to sustain/improve life

What is science, what is art? - CORRECT ANSWER-Science is what is known, art is
how we react to the unknown.

Uncontrollable in an ecosystem: - CORRECT ANSWER--Solar
-Temperature
-CO2
-Precipitation
-Atmospheric Environment

Controllable in an ecosystem: - CORRECT ANSWER--Crop Planted
-Soil Environment (nutrients, water, fertilizer)

Texas Commodities - CORRECT ANSWER--Cattle
-Corn
-Milk
-Wheat
-Eggs
-Broilers
-Cotton
-Greenhouses

What is ecology? - CORRECT ANSWER-The relationship of living things to their
environment and to each other

, What is agroecology? - CORRECT ANSWER-The study of specific relationships of
crops and farm animals to the environment and to each other

What is an agroecosystem? - CORRECT ANSWER-The total interaction between
crops, animals, and their environment within a farming & ranching operation

What do management decisions affect? - CORRECT ANSWER-All organisms in the
ecosystem & the non living portion of the system (fertilizer, tillage, irrigation,
pesticides, animal stocking rates)

What does biotic mean? - CORRECT ANSWER-living

What are some things that biotic things fight for? - CORRECT ANSWER-The same
resource (that is abiotic)
-Light
-Water
-Nutrients
-Space

What is a symbiotic relationship? - CORRECT ANSWER-A relationship where both
organisms benefit

What are some abiotic factors? - CORRECT ANSWER--Water
-Soil
-Sunlight
-Air
-Temperature
-Mineral Nutrients
-Organic Matter

An agroecosystem is managed by _______________________ in a way that
maximizes _____________________ or ______________________. - CORRECT
ANSWER--A producer (farmer)
-Production
-Profit

What is an open system? - CORRECT ANSWER-Nutrients that are moved w/
commodity & must be replaced

What is a natural system? - CORRECT ANSWER-Little influence by man, natural
fluctuations.

What is a closed system? - CORRECT ANSWER-A continuous cycle of life or death

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