The answer is a Vagus Nerve.
Brain and spinal cord meninges are similar because <u>pia mater in both areas is made of the same tissue </u> They also have distinct differences including <u>dura mater in the two regions are made of different tissues.</u>
- Meninges, the protective coverings of the central nervous system, come in two varieties: cranial and spinal.
- The dura mater, arachnoid mater, and pia mater are the three connective tissue layers that make up most of their structure.
- The fundamental distinction between cranial and spinal meninges is that, while spinal meninges are protective coverings for the spinal cord, cranial meninges are those for the brain, consisting of channels in the dura mater between various areas of the brain called Dural folds.
- Additionally, the dura mater in the spinal meninges only has one layer, whereas the dura mater in the cranial meninges has two levels.
- Furthermore, cranial meninges may not result in an epidural space while spinal meninges produce an epidural space filled with fat.
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Answer:
1: Organisms that make energy are called producers.
Producers are the autotrophic or chemotrophic organisms which are capable of synthesizing their food either by photosynthesis or by chemosynthesis. In the process of photosynthesis organisms use sunlight as a source of energy to convert water and carbon dioxide into carbohydrates and oxygen. Also some simple organisms use chemical energy obtained by chemical inorganic substances and convert them as organic chemical substances to obtain them as food.
2: A decomposer recycles matter back into the food web and biogeochemical cycles.
A decomposer is an organic which feed upon dead decaying organic matter generated after the death of plants and animals. This process results in the simplification of organic matter into simpler substances which are again absorbed by the plants through soil.
3. The sun is the source of energy. The light energy from sun is converted into chemical energy in the form of food by the producers like plants.
4. The autotrophs are found at the base of a food pyramid.
The autotrophs are called as producers because they are capable of synthesizing their own food by the process of photosynthesis . The diversity of producers in nature is more as compared to other organisms therefore, it lies at the base of the food chain.
Explanation:
Answer: Compounds which have carbon and hydrogen atoms in their structure or formula are known as organic compounds. For example, a molecule of is organic because it has carbon and hydrogen atom in its formula
Explanation:
Compounds which have carbon and hydrogen atoms in their structure or formula are known as organic compounds.
For example, a molecule of CH_{4} is organic because it has carbon and hydrogen atom in its formula.
Whereas atoms which do not contain carbon atom in their formula or structure are known as inorganic molecule. For example, NaCl is an inorganic molecule.
Thus, we can conclude that an organic molecule will always contain carbon and hydrogen.
Answer:
Some pyrogens are produced by body tissue; many pathogens also produce pyrogens. When the hypothalamus detects them, it tells the body to generate and retain more heat, thus producing a fever.
