What is the name given to any object or change in the environment that affects the external or internal state of an organism?

In some plants, pointed leaves (p) are dominant over rounded leaves (p). a plant with a genotype of pp

Earths energy sources include both renewable and nonrenewable resources. name at least three sources of energy that could be used in your house. then describe the ideal energy source for generating most of your homes electricity, and explain why you chose that source. can someone give me some ideas, i’m kinda confused.

Why does controlling transcription affect prokaryotic gene expression?