The correct word to fill the gap would be indirect.
In other words, an indirect survey makes use of evidence, such as the footprints left behind by animals, to follow animals that are difficult to track.
Ecological surveys are of 2 types:
Direct ecological surveys have to do with studying phenomena directly and recording whatever that is observed.
Indirect surveys involve an indirect way of studying phenomena. The signs left by phenomena are observed and logically used to make deductions about such phenomena.
More on ecological surveys can be found here: brainly.com/question/1182023?referrer=searchResults
Answer: the way their bones move when you were moving your hand sorry that was when i was young lol
Explanation:
Answer:
b
Explanation:
farmers use mechanical devices to do many tasks
I hope this helps
Answer:
b is answer ................
Answer:
Plants, Animals, Protists, Fungi, Archaebacteria, Eubacteria.
Explanation: