<span>The spicules have an important purpose for loosely constructed animal such as sponge. First of all, spicules give structure which is vital due to loose construction. Secondly, it protects from predators. This is similar to porcupine quills in serving to protect.</span>
Answer:
Water, Sunlight, and Oxygen = Abiotic While Consumers and Producers are Biotic
Explanation:
Because biotic is LIving and Abiotic is Non-Living.
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Going to say like my teacher told me Thomas Malthus and Charles like two figures who influence Darwins theory’s influence through his book on the population principal Darwin had a parallel thinking in the concept of individual struggle and natural selection
Halo, any of a wide range of atmospheric optical phenomena
Answer:
Zinc. (Ans. B)
Explanation:
Trace minerals: Trace minerals are defined as the inorganic molecules which are necessary for the human body for the different functions.
Zinc function in human metabolism is defined as a cofactor for numerous enzymes. Zinc play a role as a catalyst in a broad range of reactions. It is involved in the metabolic pathway directly or indirectly with lipids, carbohydrates, proteins, energy metabolism, and they are also important for the cell division process.
They also need for tissue and growth repair, and for reproductive development also. It's also played a vital role in immune system such as wound healing or required for the function and structure of the skin.
