How does absolute age relate to geologic time?

This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment

Iwill mark brainliest and all that sha-bang. what is the function of the endocrine system? a. control longer term response in the body. b. transmit messages throughout the body. c. remove waste from the body. d. all of the above

Ascientific idea becomes valid when it is what?