I think verterbrates have a back bone others do not. I only THINK so.
Answer:
Species are adapted to their environments. By understanding the interactions within an ecosystem, scientists can develop an understand of how populations evolve (develop gradually) in response to their environment.
Answer:
<em>The tyres of car wear out gradually, due to the frictional force. Frictional force arises between two objects when they move over one another. In the given cases it arises between the tyre and the surface which it is travelling on.</em>
Answer:
Serotonin
Explanation:
Please mark me brainliest
Only after an experiment has been run over and over again to
