biology - هشتگ ها

― Hank explains the extremely complex series of reactions whereby plants feed themselves on sunlight, carbon dioxide and water, and also create some by products we're pretty fond of as well..

― Hank describes how cells regulate their contents and communicate with one another via mechanisms within the cell membrane. "Concert" music used with permission from Chameleon Circuit..

― Hank describes why plants are so freaking amazing - discussing their evolution, and how their cells are both similar to different from animal cells..

― Hank guides us through the process of natural selection, the key mechanism of evolution.Table of Contents: 1) Natural Selection 1:27 2) Adaptation 2:56 3) Fitness 3:36 4) Four Principals 3:54 a. Variations 4:01 b. Heritability 4:17 c. "The Str..

― Hank introduces us to the relatively new field of evolutionary developmental biology, which compares the developmental processes of different organisms to determine their ancestral relationship, and to discover how those processes evolved. Also f..

― Hank takes us through the bowels of the human digestive system and explains why it's all about surface area. Table of Contents 1) Surface Area to the Max! 3:21 2) Mouth to Esophagus 5:23 3) Stomach 6:38 4) Small Intestine 7:55 5) Large Intestin..