4. What is the best synonym for the word "stoichiometry?"
a. Combining atoms
b. Balancing chemical equations
c. Discovering new chemical formulas
d. Breaking the chemical bonds that hold molecules
together

In addition to seeds, which of the following characteristics are unique to the seed-producing plants? a) sporopollenin b) lignin present in cell walls c) pollen d) use of air currents as a dispersal agent e) megaphylls

The negative change found inside the plasma membrane is created by potassium ions sodium ions hydrogen ions chlorine ions

Aquaternary consumer species would be expected to have a smaller population than a secondary consumer species. select the best answer from the choices provided t f