C. The vestigial structures. <span>A </span>vestigial structure<span> is an anatomical feature that no longer seems to have a purpose in the current form of an organism of the given species. Often, these vestigial structures were organs that performed some important function in the organism at one point in the past. However, as the population changed due to</span>natural selection<span>, those structures became less and less necessary until they were rendered pretty much useless. While most of these types of structures would probably disappear over many generations, some seem to keep being passed down to offspring even though they have no known function.</span>
Starch molecules present in maple tree ............................................. from the external environment as INORGANIC COMPOUNDS.
Starch is made in the maple tree during the process of photosynthesis. The inorganic substances that are used during the process of photosynthesis are carbon dioxide and water; these two are mixed together in the presence of sunlight to form carbohydrates.
Answer:
The correct answer is c. increases blood flow and decreases blood pressure
Explanation:
Vasodilation consists in the relaxation of the smooth muscle of the blood vessel walls, increasing the lumen of the vessel, generating greater blood flow, leading to increased blood pressure. A substance that is generated in the body has a vasodilator effect, for example: nitric oxide.
Answer:
This organism belongs to Kingdom Fungi.
Explanation:
- Fungi are heterotrophic, spore bearing Eukaryotes.
- Most of the fungi are multicellular.
- Their cells have a cell wall mainly composed of Glucagon and chitin.
- These are saprotrophic and lack a chloroplasts.
- They store food as glycogen which is similar to storage product in animals.
- The Kingdom fungi is divided into four major division on the basis of sexual reproduction ; chydridomycota, zygomycota, ascomycota and basidiomycota.
- Many fungi show no sexual stage and are grouped as imperfect fungi or deuteromycetes.
- The study of fungi is called Mycology.
