Which statement most completely describes the role of the cell in a single-celled organism?
a. it provides the organism with nutrition and a means of locomotion
b. it provides the chemical functioning and genetic material that enables life, growth, and reproduction
c. it provides a boundary between the organism and its environment
d. it provides the support structure that the organism lack because it has no true skeleton

Research question: why are the carrots that grew on the left side of the garden larger than the carrots that grew on the right side of the garden? which hypothesis is based on this research question? a comparison of people with gardens to people without gardens will show who is likely to live longer. b. carrots are thought to be good for your eyesight and should be eaten regularly. c. carrots that are provided lots of sunlight grow to a larger size than carrots grown in the shade. d. eating fresh vegetables every day is a healthy thing to do.

How energy flows through each level in this energy pyramid. is all the matter and energy from one level transferred to the next level?

What is used as a template during replication? a- mrna b- trna c- rrna d- dna