Life expectancy provides a framework for timing about stages and periods of life.
<h3>What does "life span" mean?</h3>
- life span: the amount of time elapsed between an organism's conception and eventual demise.
<h3>The definition of life expectancy:</h3>
- The average number of years a person who reaches a certain age might expect to live is their life expectancy.
- Estimates of life expectancy from the National Center for Health Statistics offer a trustworthy overview of mortality and population health in the United States.
<h3>Why is this crucial?</h3>
- A common metric for assessing a community's general health is life expectancy.
- Age-specific health is measured by life expectancy at birth.
- Trends in mortality are frequently described in terms of changes in life expectancy.
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<span>The Nervous tissue or nerve tissue. The nervous tissue is the main component in the nervous system. The function is to create a communication network in the body by creating electrical signals across the tissue.</span>
Answer:
The correct answer will be- Keystone species
Explanation:
The structure of a community is largely determined by the number of species present in the community called species richness and the species diversity.
The species which can play an important role in determining the community could be of two types the foundation species and keystone species.
The species which directly influence the diversity of a community irrespective of their number and abundance is known as the keystone species.
In the given question since the question has discussed the species which disproportionately influence the diversity of the community is known as keystone species.
Thus, keystone species is the correct answer.
The energy is carried by photons, which are packets of light
