To classify animals and distinguish them
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The log will float on the water because his density is lower than the liquid, so it will stay at the top due to Archimedes' principle.
<span>Archimedes' principle is a physical law that describes the upward force (the vertical thrust) experienced by any body immersed in a fluid (liquid or gas). This force is strongly related to the density of both the fluid and the body.
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You can try the experience at home, by using an object that has a lower density than the water like the sunflower oil, you will see that it will stay at the top of the water too.
Answer: pollen
Explanation: The anthers bear the pollen grains which contains the male gamete(sperm).
Endocrine. Because insulin is a hormone that are produced in the endocrine gland such as pancreatic gland
