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Charles Darwin and Alfred Russel Wallace
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4. Molecules are groups of atoms that have chemically bonded together.
5. Groups of different types of cells make up the organs
6. Glucose is a type of chemical reaction, and the overall metabolism of an organism includes thousands of chemical reactions.
7. Yes, The smooth functioning of a complex organism is the result of all it various parts working together.
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Calories from saturated fats and/or added sugars in foods that have little or no nutritional value, such as sausages and ice cream, are called Empty Calories.
Calories can be defined as the amount of energy extracted from the food which an individual eats throughout the day. According to dietary guidelines, a young person [20-25 years old] must intake between 1,600 and 3,000 calories per day.
Foods such as sausages, ice cream, pizza, and soft drinks have a high amount of empty calories because solid fats and added sugars are used in their manufacturing to add flavors and make the food more appealing but they have no nutritional value.
The amount of empty calories a person intakes should be decreased by avoiding such food items and drinks.
Learn more about Empty calories here
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Plant's reproduce via. pollen or seeds, whilst the animals reproduce by, and I quote, "getting on top of each other to have a fun time". Hope that helped
