Question

Only answer if you have an answer to one of the questions. Thank you.

Answer 1

3. It means that every aspect in this world has its own process of development and undergoes a change where they accumulate growth

Answer 2

4.

An internal stimulus is a stimulus that comes from inside an organism. You may have experienced an internal stimulus of hunger after a long day at school, and this prompts you to eat some food in order to regain needed energy