Answer: Nerve cells and muscle cells are excitable because their cell membrane can produce electrochemical impulses and conduct them along the membrane.
Explanation:
It has changed their economy because without space exploration, we wouldn't have such advanced technologies. They have given jobs to many people due to a new workforce. It has changed cultural views so we now understand space better
True because the breakdown of organisms is called homeostasis by breaking them down and building them
Answer:
classification is where they gives unique names to animal species so the can recognize them easier
Explanation:
You can google it and see what the meaning is and think about what real life examples are for it