Ch.8

Question 1

Heterotrophs

Answer 1

Living things that cannot make their own food and must eat food from their own environment (plants & animals) to sustain life

Question 2

Autotrophs

Answer 2

Living things that make their own food using energy from sunlight or chemicals

Question 3

Photoautotrophs

Answer 3

Living things that make their own food using sunlight

Question 4

Light reactions

Answer 4

-plants absorb light using chlorophyll
-take place in thylakoid membranes
-produces ATP, NADPH, O2
-NADP+ converts to NADPH

Question 5

Calvin cycle

Answer 5

-happens in stroma
-CO2 is turned into carbohydrates using ATP & NADH
-glucose is created

Question 6

Absorption spectrum

Answer 6

Wavelengths absorbed by different pigments

Question 7

Action spectrum

Answer 7

Tells us which colors of light (red, blue, or green) help plants do photosynthesis the best

Question 8

Chlorophyll

Answer 8

-absorbs blue & red light
-reflects green light
-why plants are green

Question 9

Light dependent stage

Answer 9

-produces NADPH
-produces ATP

Question 10

Homologous genes

Answer 10

Genes in different species that are similar but originated from a common ancestral gene