What is an organism? living thing that carries out basic life functions
a nonliving thing that carries out some basic life functions
a group of parts working together
a living thing that does not carry out any functions​

Which statement is true about the cell theory? a) it is well-supported by evidence. b) it is unchangeable and permanent.

Environmental impacts on evolution : mastery test

Suppose you use three different scale to weigh a bag of oranges. one scale says the nag weighs 2.1 lb, and third says it weighs 2.1 lb. the actual weight of the bag of oranges is 2.153 lb. which of the following best decribes these results?