Sperm have developed a flagellum
Developing Nations currently produce about 2600 kcal of food per person per day. The growth in food consumption around the world has been accompanied by a significant structural changes and a shift in the diet away from the staple foods such as roots and tubers towards more livestock products and vegetable oils.
Answer:
All viruses reproduce <em>by getting host cells to make new viruses</em><em>.</em>
<em>hope</em><em> </em><em>it</em><em> </em><em>help</em><em>s</em><em>!</em>
Explanation:
They live in the host and reproduction occurs there only.
The flow of chemical elements and compounds between living organisms and the physical <span>environment.</span>
Answer:
Emotion is an organism's response to a stimulus that includes a mixture of physiological arousal, expressive behaviors, and conscious experience.
Explanation:
What is an Emotion?
Emotion is a neural drive that moves a living organism to action, provoking automatic reactive behavior that has been adapted through evolution as an survival mechanism to meet a survival need. In simple words we can say that Emotion is a mental state related with the central nervous system, several chemical messengers released in neural signal transmissions are responsible for different emotions like happiness, sadness, difference in thoughts etc