What is the original source of energy in the food you eat? (1 point)
• sun
• sugar
• photosynthesis
• plants
sun
Why are leaves red in the fall?
(1 point)
Mitochondria breaks
• down because there's less sunlight.
Chlorophyll absorbs red in the fall, rather than green.
Chlorophyll breaks
• down because there's less sunlight.
Chlorophyll reflects green light in the fall.
Chlorophyll breaks down because there's less sunlight.
divide -9 by 27
-9 divided by 27 is equal to -1/3.
Which statement is true? (1 point)
The Calvin cycle is the light-independent
• (does not need light) step of photosynthesis and happens in the thylakoid membrane.
The Calvin cycle is the light-dependent
(needs light) step of photosynthesis and happens in the
thylakoid membrane. The Calvin cycle is the light-independent
• (does not need light) step of photosynthesis and happens in the stroma.
The Calvin cycle is the light-dependent
• (needs light) step of photosynthesis and happens in the stroma.