Answer is B. Heliotropism
A desert would be a good example because there is no exact source of water there unless you are in a specific one.
A.)Scientists look for fossils that could be common ancestors on the different
continents, showing that the common ancestor once existed on one or more
Answer:
producer,consumer,primary,secondaryTertiary consumers,decomposers
Explanation: plants make their own food so producer then herbavors are primary consumers, caravores are secondary, omnivores are Teritary consumers and vultures and things are decomposers hope this helps god bless
The best conclusion is to do the experiment twice
