Question

study guide: chapters 8 and 9
energy, photosynthesis and cellular respiration

1. organisms, such as plants, that make their own food are called autotrophs
2. organisms that cannot make their own food and must obtain energy from the foods they eat are called heterotrophs.
3. list some examples of autotrophs:
4. label the atp molecule below

diagram of atp with parts a, b, c, d
a -
b -
c -
d -

1. look at the figure above. all of the following are parts of an adp molecule except ______

in the figure above, between which parts of the molecule must the bonds be broken to form an adp molecule?
photosynthesis

1. in the overall equation for photosynthesis, six molecules of carbon dioxide result in six molecules of ______.
2. plants gather the sun’s energy with light - absorbing molecules called ______
3. plants take in the sun’s energy by absorbing ______
4. most plants appear green because chlorophyll ______

diagram of chloroplast with parts a, b, c

1. label and identify figure above

a =
b =
c =

Explanation:

Question 1:

Autotrophs are organisms that can produce their own food, typically through processes like photosynthesis (e.g., plants, algae, some bacteria).

Heterotrophs rely on consuming other organisms (or organic matter) to obtain energy since they can't produce food internally (e.g., animals, fungi, most bacteria).

Autotrophs include organisms that make food via photosynthesis (plants, algae) or chemosynthesis (some bacteria like cyanobacteria, sulfur - oxidizing bacteria).

Answer:

Autotrophs

Question 2: