E. o matter is used in ecosystems; energy is not
2. which of the following terms encompasses all of the others?
a. heterotrophs
b. herbivores
carnivores
d. o primary consumers
e. o secondary consumers
3. what is the most important role of photosynthetic organisms in an ecosyster

Could someone me with number one you

The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen

Why are common names a problem for scientist?