Unicellular organisms can perform all of their own functions, including respiration, ingestion, digestion, excretion, and reproduction.
a. true
b. false

A3-year-old child with nephrotic syndrome has been receiving prednisone for 1 week. the nurse reviews the child's progress record and determines that the medication has been effective. what information supports this conclusion? select all that apply.

Which of the following is an advantage of solar energy?

What are the four stages of cell signaling?