Chapter 6 -1 Flashcards
What is the most important chemical process on Earth?
Photosynthesis
What does photosynthesis provide?
Organic fuel for heterotrophs (something that feeds on others) directly or indirectly
Photosynthesis produces how much sugar every year?
220 billion tons
What do we depend on photosynthesis for?
Oxygen
What organisms drive photosynthesis?
Photoautotrophs, Aquatic producers, Land producers
What do photoautotrophs do?
Make own food with light. And convert that light energy into chemical energy.
What do aquatic producers do?
Produce majority of atomospheric O2
What are land producers?
trees, cacti, herbs
What is the primary photosynthetic organ?
Leaves
Where is the site of photosynthesis?
Chloroplasts
Where are pigments embedded?
in thylakoid membranes