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Just three crop species—rice, wheat, and maize (corn)—provide about 95 percent of human food energy needs. These staples are essential for the diets of billions of people worldwide, making them critical for food security. Their dominance highlights the importance of agricultural diversity and resilience in global food systems.
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What are four categories into which the human value of natural species can be divided?
The human value of natural species can be categorized into four main categories: ecological value, economic value, aesthetic value, and cultural value. Ecological value pertains to the role species play in maintaining ecosystem balance and health. Economic value includes the benefits derived from biodiversity, such as resources for food, medicine, and tourism. Aesthetic value reflects the beauty and inspiration that species provide, while cultural value relates to the significance of species in cultural practices, traditions, and identity.
How much is 3 percent of human race?
About 200,000,000.
What is the percentage of a human having two heads?
Zero percent.Zero percent.Zero percent.Zero percent.
What is the power output of the human heart?
The mechanical power of the human heart is ~1.3 watts. It takes a much higher rate of energy turnover (~13 watts) to provide this mechanical power, since the mechanical efficiency of the heart is very low (less than 10%).
Did human evolution follow a straight line path from one species to the next?
No, human evolution followe a path with many branches.
What percent of the human species are female.?
half
What substances that provide the energy and raw materials the human body needs are?
Nutrients provide the energy and raw materials that the human body needs.
What happens to energy a chicken eats when the chicken is eaten by a human?
10 percent of that energy goes to the human
What does NOT provide energy for human use?
Everything can somehow provide energy, except for black holes, which only suck up energy.
What form of energy does food provide the human body?
electrical
What type of energy does food provide the human body?
The human body converts food energy into work, thermal energy or chemical energy that is stored in fatty tissue.
How much energy does protein provide in the human body?
Protein provides 4 calories of energy per gram in the human body.
Substances that provide the energy and raw materials the human body needs are?
nutrients
What is the major role of carbohydrates in the human diet is to?
The main function of carbohydrates is to provide energy? (True or False)
What organ uses 25 percent of the bodys energy?
It is well established that the brain uses more energy than any other human organ, accounting for up to 20 percent of the body's energy.
Human activity uses as much energy as all of earth's other multicellular species combined?
True
What is the lifespan of your human species?
Sorry your human species?? What do you mean????
