Session 1 Session 1 provides an introduction to statistical investigations. The teacher will need to provide the children with plenty of magazines and newspapers that have some good examples of how data can be presented effectively and also perhaps some examples of poorly displayed data.
Insects can act as mechanical vectors, meaning that the insect can carry an organism but the insect is not essential to the organismâs life cycle, such as when house flies carry organisms on the outside of their bodies that cause diarrhea in people.nsects. Triatomine bugs are the vectors for Chagas disease. An insect that transmits a disease is known as a vector, and the disease is referred to as a vector-borne disease.
Insects are considered pest because the can act as the carriers of several different kinds of microorganisms which can in turn affect animals and plants. This can add a reason â¦ for the spread of diseases.   Alternate view: Not all insects are considered pests. Many are prized for their beauty or usefulness. Butterflies, ladybugs, honeybees and silkworms, for example, are valued by many people.