Answer:
fish and tetrapods are both vertebrates that have a backbone with a spinal cord. fish lived before tetrapods because their fossils are in rocks over 500 million years old.
Explanation:
fish and tetrapods are both vertebrates that have a backbone with a spinal cord
This type of transport is called active transport
In the nucleus. Hope this helps
Answer:
To back away
Explanation:
To back away because magnets are different and is they are put the wrong the way it moves back