How do autotrophs and heterotrophs differ?
Autotrophs synthesize their food through processes like photosynthesis, while heterotrophs rely on other organisms for their food.
Why is nutrition important?
Nutrition provides organisms with the necessary energy to carry out life processes, promotes growth, and maintains the body's functions.
What is the importance of enzymes in digestion?
Enzymes act as catalysts that break down complex food molecules into simpler ones, which can then be absorbed and used by the body for energy and growth.
What role do specialized tissues play in life processes?
Specialized tissues, such as xylem in plants for water transport and red blood cells in animals for oxygen transport, allow organisms to efficiently carry out life processes and sustain themselves.
How is energy produced in the body?
Energy is produced through the breakdown of glucose during respiration. This process generates ATP, which is used by cells to perform various functions.
Why are life processes essential for living organisms?
Life processes such as nutrition, respiration, transportation, and excretion ensure that organisms maintain homeostasis, grow, and reproduce. Without these processes, organisms would not be able to survive.
What is the significance of double circulation in humans?
Double circulation ensures that oxygen-rich blood is separated from oxygen-poor blood, improving the efficiency of oxygen delivery to body tissues.
Why do plants carry out both respiration and photosynthesis?
While photosynthesis produces glucose (food), respiration breaks down glucose to release energy for cellular activities. Both processes are necessary for survival.
What is the role of enzymes in digestion?
Enzymes catalyze the breakdown of large food molecules into smaller, absorbable molecules. For example, amylase breaks down starch into maltose.
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