It is the rotation of the earth. when it rotates it causes a cycle of having the sun shine for some time, then the moon. hope this has helped, if did, plz mark as brainliest
<span>In all eusocial species, sterile workers assist fertile relatives with whom they share genes.
Any colonial creature species that lives in multigenerational family bunches in which by far most of them participate to help moderately few (or even a solitary) reproductive group members are Eusocial species.
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Without our rotation winds would move straight from the poles to the equator.
The nervous system plays an important role in body functioning. the receptors (skin ) transmit the messages from the sensory neurons to the spinal cord.. fro the required action is carried out through messages to the effector which goes through the mototr neurons
