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1. What is control and coordination in biology?
Ans. Control and coordination in biology refers to the ability of organisms to respond to stimuli from their environment and regulate their internal processes to maintain homeostasis. It involves the integration of different organs, systems, and cells to ensure proper functioning of the body.
2. How does the nervous system contribute to control and coordination?
Ans. The nervous system plays a crucial role in control and coordination. It consists of the brain, spinal cord, and nerves. The sensory organs detect stimuli, which are then transmitted to the brain through sensory neurons. The brain processes this information and sends appropriate signals through motor neurons to effectors, such as muscles or glands, to produce a response. This coordination ensures proper functioning and adaptation to the environment.
3. What are the different types of coordination in living organisms?
Ans. There are two main types of coordination in living organisms: nervous coordination and hormonal coordination. Nervous coordination involves the transmission of electrical impulses through the nervous system, while hormonal coordination involves the release of chemical messengers called hormones into the bloodstream to regulate various processes in the body.
4. How do plants exhibit control and coordination?
Ans. Plants also exhibit control and coordination, although in a different way than animals. They lack a centralized nervous system but have specialized cells called plant hormones or phytohormones that regulate growth, development, and responses to stimuli. These hormones are produced in specific plant organs and transported to target cells or tissues to initiate a response.
5. What is the significance of control and coordination in organisms?
Ans. Control and coordination are vital for the survival and proper functioning of organisms. They allow organisms to respond to changes in their environment, maintain homeostasis, and carry out essential processes such as movement, growth, reproduction, and metabolism. Without control and coordination, organisms would not be able to adapt and survive in their surroundings.
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