Which of the following does not rely on active transport to cross the cell membrane? a. calcium ions b. water molecules c. potassium ions d. sodium ions

Viruses are different from bacteria in that they can remain dormant on non-living surfaces they can be found just about anywhere they can infect just about every form of life

Explain why ecosystem diversity results in species diversity in a healthy biosphere

What are examples of the plant life and animal life that can be found in each type of terrarium