The correct answer is Stimulus.
A thing or an event that provokes a specific functional response in an organ or tissue of an organism is called as stimulus. It can be anything like heat, light, water, chemical et cetera. Any stimulus when encountered by the organism produces response in reference with the stimulus generated by the external environment or other organism.
Platypus reproduction is nearly unique. It is one of only two mammals (the echidna is the other) that lay eggs. ... The duck-billed platypus finds food by feel and by detecting electrical signals. The male platypus has a venomous spur on the inside of its ankle.
Biodiversity tends to clump around the equator, as it has more heat. The closer you are to the equator, the more biodiversity you will find. The polar regions have little to no life.
Its true i took a test and got this one right
