Vectorborne transmission of an infectious organism occurs via <u>animals or insects. </u>
Vectors are living organisms that can transfer an infectious disease from infected animals to humans. These species are known as arthropods. It includes mosquitoes, ticks, triatomine bugs, sandflies, etc.
There are two types of vectors; Biological and mechanical.
Biological vectors such as mosquitos transmit the disease by biting the host body. Mechanical vectors on the other hand cause infectious disease just by physical contact.
Arthropod vectors are cold-blooded. The diseases that are transmitted by them are known as vector-borne diseases. Malaria and Dengue are examples of vector-borne diseases.
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Answer:
See the answer below
Explanation:
<em>If a symbol is fully filled in a human pedigree, it means that the individual represented by the symbol is affected by the trait whose inheritance is being illustrated by the pedigree.</em>
The human pedigree generally represents a symbolic illustration of how a particular trait is inherited across generations in a particular family. It shows the relationship between the members of a family and how the trait is passed down each generation either in a silent or expressive form.
Individuals within a human pedigree are represented with symbols and <u>those affected by the trait in question are completely shaded</u>. <u>Those carrying the trait in silent form are half-shaded while those that do not have traces of the trait at all are left completely unshaded.</u>
Natural selection is where positive traits survive more, allowing those to become more common. Mutation is where radioactivity changes genes in a random way. Natural selection allows positive mutation to become more common. Adaptation is where natural selection works for a species specifically more a new habitat.
People will have a harder time exchanging goods and services and many businesses will shut down as a result.
