Answer:
presence of cells
Explanation:
All living things are composed of cells. A cell can be defined as a complex biological arrangement that has all the structures and materials required for life. Cells carry out specialized functions such as, for example, metabolic functions to convert nutrients from food into energy (ATP), and reproduce by mitosis and/or meiosis. Thus, the cell is known to be the basic unit of life.
The process that is responsible for causing menstruation is called menstrual cycle. Menstrual cycle is the natural change that occurs specifically in the ovaries and uterus or in the female reproductive system that gives possibility to pregnancy. This process is required for the ovocytes to be produced, and also for the uterus to be prepared for pregnancy.
Answer:
C sexually and asexually
Explanation:
plants are living organisms. That means they need to reproduce in order to pass on their genes to future generations. Plants can create offspring through either sexual or asexual reproduction.
Answer:
B that most multicellular animals don't reproduce asexually
Professor Buchannan suffers from the liver disease called, cirrhosis.
Cirrhosis is a condition involving heavy scarring of the liver caused by chronic conditions and diseases, such as heavy alcoholism and hepatitis. All these chronic damages cause serious problems on the functioning of the liver. Throughout the years, professor's liver tried to repair itself from the damages and that is why the scars were formed.