The miThe migration of birds.
Its quite difficult to understand the question
The brain and the spinal cord.
Explanation:
<u>Ecological footprint:</u>
<h3>Is a Measure the area required by an individual, population or activity of biologically produced land and water to produce all the resources it consumes and absorb the waste it generates, using prevailing technology and resource management practices. Hope this helps and have a great day! Good luck </h3>