The niche is considered an animals role in an environment. It describes not only the habitat that the animal lives in, but what the organism does within the habitat. All abiotic and biotic factors are included in a niche, including abiotic factors like the temperature the organism can survive in, as well as the amount of sunlight and water needed for the organism to survive. Biotic factors include what the food source is for the organism, and the predators of the organism.
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Answer:
clean
Explanation:
privacy comfortable easy to use
The highest point the medium rises to and a trough is the lowest point the medium sinks to.
Answer:
1) Skull and Vertebral column
2) Meninges
3) Cerebrospinal fluid.
Explanation:
Central Nervous system:
CNS is the abbreviation of Central Nervous system. CNS controls the whole body functions so it is the most important component of the body. CNS consist of two parts 1) Brain and 2) Spinal cord
Both of these organs are very important and hence need to be protected. Nature provided these organs with certain protective mechanisms these includes
1) Skull and Vertebral column:
Skull is present around brain and vertebral column is present around spinal cord. These structure provides mechanical support to soft parts of CNS.
2) Meninges:
These are the membranes that provide antiseptic environment to the brain and hence protect it from microbes and other harmful substances.
3) Cerebrospinal fluid:
This fluid is present inside meninges which nourishes the brain and protect it from mechanical stresses.
