1.) a plant needs water, radiant energy, minerals, oxygen and carbon dioxide to live. how are these requirements needed by plants categorized?

a. abiotic components
b. biotic components
c. climate
d. minerals

2.) which of the following represents an abiotic component of the environment?

a. sprouting mongo seeds
b. dugong nursing its young
c. grass on mountain slopes
d. flowing lava

3.) which of the following are needed in setting up an aquarium as a mini ecosystem?

a. fish and water only
b. water, sand, soil, and light only
c. populations of fish, snails, and plants only
d. communities of different species of organisms, water, sand, soil, and sunlight​