Answer:
The <u><em>life expectancy</em></u> for the average American female is around 81 years and the average American male is around 76 years.
Explanation:
Life expectancy can be described as the expected number of years that a person can live. The life expectancy depends on factors like the country, the resources, nutrition, area etc of a person. Recent studies have shown that the expected life expectancy for Americans is around 78.7 years, with males having a life expectancy of 76 years and females having a life expectancy of 81 years. However, developments in science and technology can change life expectancy.
<h2><u>
Answer:</u></h2>
Biology is the study of living organisms, divided into many specialized fields that cover their morphology, physiology, anatomy, behaviour, origin, and distribution.
Branches of biology are different topics related to biology; for example the 3 major branches of biology are:
- Botany, also called plant science, plant biology or phytology, is the science of plant life and a branch of biology. A botanist, plant scientist or phytologist is a scientist who specialises in this field
- Zoology is the branch of biology that studies the animal kingdom, including the structure, embryology, evolution, classification, habits, and distribution of all animals, both living and extinct, and how they interact with their ecosystems.
- Microbiology is the study of microorganisms, those being unicellular, multicellular, or acellular. Microbiology encompasses numerous sub-disciplines including virology, parasitology, mycology and bacteriology.
