Structures in plant leaves that open and close to maintain homeostasis are stomata

Environmental impacts on evolution : mastery test

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

Where can dna be found in a prokaryotic cell