Influenza (also known as flu) is a contagious respiratory illness caused by flu viruses. It can cause mild to severe illness, and at times can lead to death. Flu is different from a cold. Flu usually comes on suddenly.
The correct option is C.
Economics as a course is divided into two major sub specialties, which are micro and macro economics. Micro economics has to do with the study of individual, households and businesses behaviors in decision making and uses of scarce resources. Macro economics on the other hand has to do with the study of how the whole economy behaves. Thus, macro economics is the study of how a nation's economy work and this usually involves the national government.
Life's defining characteristics are the capacity to procreate, grow, and develop. The ideas of biological control and homeostasis maintenance are crucial to survival and define important aspects of existence.
<h3>What does biology say about the meaning of life?</h3>
A living object has life when it has the ability to grow, metabolize, respond to stimuli, adapt, and reproduce. This ability sets a living thing apart from a dead thing or a non-living thing.
<h3>What traits distinguish biological life?</h3>
Big Ideas: All living organisms share a few characteristics, including cellular organization, the capacity for reproduction, growth and development, energy usage, homeostasis, and the capacity for adaptation.
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Instead, according to a research team that looked at DNA samples from the two species and from black bears, the brown bear and polar bear ancestral lines have a common ancestor and split about 600,000 years ago.