Answer: the correct option is : highly developed cell- cell communication.
Explanation: In complex multicellular organisms, cell - cell communication also known as cell signalling is part of any communication process that leads basic activities of cells and coordinates multiple cell functions.
Answer:
The fundamental difference between these compounds is the presence of OH groups in the alcohol that are missing in the ether. Because hydrogen bonds can't form between the molecules in the ether, the boiling point of this compound is more than 80°C lower than the corresponding alcohol.
Asexual reproduction is not as widespreaded in animals as it is in plants.
In the temperate latitudes, a continental climate is usually characterized by a large annual range of air temperature (hot summers and cold winters) and considerable daily variations in air temperature. A continental climate differs from a marine climate in having a low mean annual temperature, low humidity, and dustier air.
