All the populations living and interacting within a particular geographic area make up a biological (or biotic) community. The living organisms in a community together with their nonliving or abiotic environment make up an ecosystem.
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.
Answer:
The control variable is the soldier.
Explanation:
The same soldier is used throughout the test
Answer
cutting or incision
for example: gastrotomy means a surgical incision to the stomach
Answer:B is the right answer I am sure.
Explanation:
