Cutoff signals are signals used by the animals for communication between them. These signals are behaviors. Examples are: the animal freezes, turns the back to other animals, moves away, ....
Cut-off signals are usually given after a conflict. One reason animals use cutoff signals is to:
D. encourage compromise between potential adversaries
If cut-off signals are not respected, conflict will escalate.
Answer:
A planet with oceans, continents, and plate tectonics maximizes opportunities for speciation and natural selection, whereas a similar planet without plate tectonics provides fewer such opportunities. Plate tectonics exerts environmental pressures that drive evolution without being capable of extinguishing all life. Explanation: trust :0
Lithosphere: rocks and minerals
Hydrosphere :different forms of water
Atmosphere: oxygen and gases
Cryosphere: Ice
Biosphere: plants, animals and humans
Most eels breed at depths unattainable to modern diving equipment, which is why no-one has ever seen the eel mate with other eels.
This is the best answer I can do.
