Biodiversity can be affected by

human activity
changes in population size
all of the above
changes in climate

Which of the following is true of photosynthesis? a)carbon dioxide is a reactant b)water is a product c)most reactions within this process are exothermic d)oxygen is a reactant

Is there any species that went extinct in recent years due to natural causes (not caused by human interaction). if so, what caused it?

What is the main function of the central vacuole in a plant cell? a. absorbs energy from the sun to produce food b. holds water and maintains turgor pressure c. breaks down molecules to release energy d. contains the cell's genetic material