You would want this observation to be in an area with a lot of biotic and abiotic factors, so the best place for it is an ecosystem.
It’s B the other person put D but that’s the cell wall or cell membrane
HOPE THIS HELPS !
<span>Sputum membranes tests are used to test the lungs, trachea and bronchial canals for pathogens that can have an adverse affect on the lungs. These pathogens can cause infections that can have serious effects on your breathing and all over health.</span>
The questions which could be answered using the results of this investigation include:
- Is hair length in German shepherds a dominant or recessive trait?
- Is long hair in German shepherds an inherited trait?
- What percentage of offspring in the second generation of German Shepherd's are homzygous for the recessive hair length trait?
<h3>What is an Investigation?</h3>
This involves the process of searching for facts in order to solve a complex situation.
The cross breeding of the two German shepherds with various features will give rise to the questions given above.
Read more about Genetics here brainly.com/question/1480756
