Answer:
yes
Explanation:
due to drift / variation human has been able to atttain high and advanced level of intelligence and development
<em>zygote</em> is the diploid cell that results from the fertilization between an egg and sperm
<em>sperm</em> is the male reproductive cell that is responsible for a baby to born
http://1kai.dokkyomed.ac.jp/mammal/en/genus_list.html
Answer:
Ralph is looking at a vein (likely a muscular vein).
Explanation:
Of all three great types of vessel present in vertebrates (arterial, venous, lymphatic), only veins and lymphatic vessels may normally contain valves. This is an essential feature of vessels which present low pressure flow, since it ensures that such flow is unidirectional.
Since blood cells are not typically found in lymphatic vessels, the vessel in question can be assumed to be a vein.
Scientists carry out several researches to understand the cause and reason behind the natural phenomena happening around us. While carrying out an experiment, the scientist need to refer to various research papers and research articles to plan and follow the protocol of the experiment accordingly.
Going through the background studies lead to greater insight and knowledge about the subject. It broadens our mind and way of thinking. It makes us more logical and precise towards our work.