Sexual

Difference Between Primary and Secondary Sexual Characteristics

Difference Between Primary and Secondary Sexual Characteristics

Primary sexual characteristics are present at birth and comprise the external and internal genitalia (e.g., the penis and testes in males and the vagina and ovaries in females). Secondary sexual characteristics are those that emerge during the prepubescent through postpubescent phases (e.g., breasts in females…

Cellular Difference Between Cellular Respiration and Photosynthesis
Difference Between Cellular Respiration and Photosynthesis
Photosynthesis makes the glucose that is used in cellular respiration to make ATP. The glucose is then turned back into carbon dioxide, which is used ...
Fleas Difference Between Fleas and Lice
Difference Between Fleas and Lice
Unlike lice, which can only crawl, fleas can jump from one host (such as a pet) to another. Fleas mainly feed on non-human hosts but are able to infes...
Author Difference Between Author and Writer
Difference Between Author and Writer
According to the dictionary, a writer is 'one who expresses ideas in writing' or 'one engaged in literary work. ... An author is 'a person who writes ...