Food chains and webs not only describe the order organisms are eaten, but they also describe the
flow of energy in an ecosystem
importance of the ecosystem
health of the ecosystem
animals that are all related

What happens whenever a net force acts on an object

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.

Which of the following is an eon in the time scale? phanerozoic proterozoic archean all of the above