Answer:
Hey.
Life doesn't really form in soil water or air, rather it is introduced through other organisms that could for example drink water. after the organism did so, it would leave bacteria in it whitch would start to multiply.
Answer:
acquired characteristics.
those characteristics which are not determind by organism's chromosome are known as acquired characteristics.
these are environment influence or developed characteristics.
Explanation:
examples are lengthening of a body part which is frequently used. or the parts reduction which are not in use.
Answer:
Motor nerves
Explanation:
Pulling the leg quickly from the sharp object is an example of reflex action. It includes sensory receptors, sensory neurons, interneurons, the control center (spinal cord), motor neurons and effector.
As soon as she steps on the glass piece, the receptors present in the skin of her foot sole sense it and send the information to the control center via sensory neurons. The spinal cord commands the muscles of the effector organ (leg) via motor neurons to move to step away from the glass piece.
Old environments, old behaviors, old acquaintances, stress, anxiety, depression