What is an organism’s niche?

What would be an example of hypothesis for goldfish respiration lab

What is the next step in muscle contraction after the actin changes shape? (apex)

The unique structure of the neuron is dedicated to the efficient and rapid transmission of neural signals. the relationship between neurons, the spinal cord, and the brain constitutes an elaborate communication system throughout the human body. all but one of the functions listed below are a result of this interaction.