yes...because in order for them to live they should or they need to have a cooperation..
Direct observation means looking at it with your own two eyes, feeling it with your fingers (or other body parts), directly hearing it with your ears or directly tasting it with your tongue. Indirect observation means not sensing the object of observation directly but by observing the effects it has on its surroundings. An example of indirect observation might be seeing footprints in the snow and using this as evidence that snow leopards are in the area. Direct observation would be seeing the leopard itself.
participany observation
hmmmmmm...
participant observation
Individual student have their area of strength and weakness, with observation you will be able to map out strategy
land area, clothes, food, job, money and other kinds of things .
well..... it could be the area of a circle and many other things (well shapes)
The word for watching an area to ensure that nothing happens is "surveillance." This term refers to the close observation of people or places, often to prevent crime or ensure security. It can involve various methods, including physical observation or the use of cameras and other monitoring technologies.
Ecosystem
Area and perimeter can be used for measuring things such as lawns (for lawn care) or an area of ground for cement (to order the cement)
The tests for all forms of arthritis are about the same and in the end it is all down to observation over time of the effected area.
Drugs. and a wide variety of other things in the health area.