Unit 1, Lessons 8 - 10 Quiz

Plants get most of their matter from air and water. True or False

Decomposition eventually restores (recycles) some materials and nutrients back to the ____________ and ____________.

(a)  

The ________ is the ultimate source of energy in ecosystems. Choose one:

Matter is continually recycled, and goes back and forth between living and nonliving parts of the ecosystem? True or False

If an Organism's needs are met, they can survive. True or False

Scientists use the term “Ecosystem" to mean: Choose one:

What color arrow represents tiny bits of matter? (a)  

Matter goes to the bodies of decomposers. As they burn food for energy, they release CO2 into the (a)   and nutrients to the soil.

This symbol represents (a)  

When plants make sugar from carbon dioxide/CO2 and water, they also make oxygen/O2. They return (a)   to the air.