Both autotrophs and hetrotrophs require a source to produce or make food. *
O Hydrogen
O Oxygen
O Carbon
O Nitrogen

How do symptoms created by inflammation the doctor

2. which of the following statements does not accurately describe stem cells? a. embryonic stem cells make up the inner cell mass of a blastocyst. b. with more research, stem cells may be used to repair or replace damaged cells. c. the use of stem cells is without any objections since it can be used in therapies to humans. d. adult stem cells are multipotent and can differentiate into many types of cells.

Creating new things to solve problems and improve life depends on the close interaction of which two fields?