Thomas Malthus Crude birth rate Zero population growth Disability-adjusted life
ID: 236846 • Letter: T
Question
Thomas Malthus
Crude birth rate
Zero population growth
Disability-adjusted life years
Pathogens
Emergent
Conservation medicine
Antigens
Endocrine disruptors
Neurotoxins
Answer
Disrupt normal hormone functions, e.g., dioxin
Number of births in a year per 1,000
Examines how environmental changes threaten the health of humans and natural communities
Combines premature deaths and loss of healthy life resulting from illness or disability
Disease-causing organisms that include viruses, bacteria, and parasitic worms
Occurs when birth plus immigration in a population equals death plus emigration
Wrote an essay on the principle of population in which he showed that human populations increase exponentially
A disease not previously known or absent for at least 20 years
Substances that are recognized as foreign by white blood cells and stimulate the production of specific antibodies
Metabolic poisons that specifically attack nerve cells; most are extremely toxic and fast acting
Match the term with the correct description.
Thomas Malthus
Crude birth rate
Zero population growth
Disability-adjusted life years
Pathogens
Emergent
Conservation medicine
Antigens
Endocrine disruptors
Neurotoxins
Answer
a.Disrupt normal hormone functions, e.g., dioxin
b.Number of births in a year per 1,000
c.Examines how environmental changes threaten the health of humans and natural communities
d.Combines premature deaths and loss of healthy life resulting from illness or disability
e.Disease-causing organisms that include viruses, bacteria, and parasitic worms
f.Occurs when birth plus immigration in a population equals death plus emigration
g.Wrote an essay on the principle of population in which he showed that human populations increase exponentially
h.A disease not previously known or absent for at least 20 years
i.Substances that are recognized as foreign by white blood cells and stimulate the production of specific antibodies
j.Metabolic poisons that specifically attack nerve cells; most are extremely toxic and fast acting
Match the term with the correct description.
Explanation / Answer
Thomas Malthus was a notable economist famous for his works on population control and the brains behind the well-known 'Malthusian trap'. Malthusian trap relates to a situation like - An increase in the production of food leads to the betterment of the existing people but is also the prime proponent of the growth of the population. This growth substantially negates the effective rise in the per-capita production level and thereby brings it back to the original.
Another idea 'Malthusian catastrophe' relates to - Populations had a tendency to grow until the lower class suffered hardship and want and greater susceptibility to famine and disease.
The crude birth rate is the number of live births occurring among the population of a given geographical area during a given year, per 1,000 mid-year total population of the given geographical area during the same year.
Zero population growth is a social aim definitive of the fact that assumes no net rise/fall in the current population.
The disability-adjusted life year (DALY) is a measure of overall disease burden, expressed as the number of years lost due to ill-health, disability or early death.
Pathogens (pathos - ill/sickness) are disease-causing microorganisms.
Antigen is a toxin or other foreign substance which induces an immune response in the body, especially the production of antibodies.
Endocrine disruptors are chemicals that, at certain doses, can interfere with endocrine (or hormone) systems. These disruptions can cause cancerous tumors, birth defects, and other developmental disorders.
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