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What is the role of fungus in the food web shown?

◯ A. To gather green light in order to carry out photosynthesis.

◯ B. To break down organic matter into carbon dioxide and water.

◯ C. To convert light energy into chemical energy organisms can use.

◯ D. To break down food molecules in the absence of oxygen.

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Related questions

Autotrophs, e.g., ______________, acquire energy from _________ in a process called_______________. They convert this energy to energy stored in ___________ ___________. When needed, they _____________ these to __________ and __________. In this process, _____________________________________________.

Heterotrophs, e.g., ___________, acquire energy from ________________. In their digestive tract they break down ___________________ to _____________. The latter are then imported into cells and oxidized to CO2 and water. In this process, ADP is ________________ to ATP.
Use these terms: zebras, orchids, carbon dioxide, sunlight, break down, macromolecules, photosynthesis, eating organic molecules, monomers, converted, chemical bonds, ATP is made, water

Question 1 The membrane structures inside the chloroplast are called the ______, while the fluid surrounding the stacks of membrane is called the ______.
a. stroma; thylakoid
b. thylakoid; cytosol
c. thylakoid; stroma
d. thylakoid; matrix
e. matrix; thylakoid

Question 2 What is considered the ultimate source of energy for living things on Earth?
a. the sun
b. electrons
c. green plants
d. oxygen
e. ATP

Question 3 Why do most plant leaves appear green?
a. They contain a lot of starch which has a green color.
b. They have chloroplasts which absorb green light for photosynthesis.
c. During the light reaction phase carbon dioxide is converted to oxygen which emits green light.
d. They have chloroplasts which absorb all colors of light except for green, which is reflected.
e. During the dark reaction phase water is converted to oxygen which emits green light.

Question 4 Plants perform only photosynthesis, not respiration. True False

Question 5 What is the primary purpose of the light reactions of photosynthesis?
a. to create oxygen gas
b. to produce glucose
c. to convert solar energy to chemical energy (in the form of ATP and NADPH) to power the dark reactions
d. to remove carbon dioxide gas from the atmosphere
e. to create water

Question 6 The light dependent reactions occur in the:
a. mitochondrial membrane.
b. mitochondrial matrix.
c. stroma.
d. thylakoid membrane.
e. cytosol.

Question 7 The energy to run the dark reactions of photosynthesis is produced _________.
a. by the CO2 initially used in the dark reactions.
b. during glycolysis
c. during the light reaction phase
d. during the Krebs cycle
e. during anaerobic respiration

Question 8 Which of the following substances could be totally eliminated and not interfere with the process of photosynthesis?
a. O2
b. H2O
c. light
d. CO2

Question 9 What product(s) do plants produce during photosynthesis that is/are used by humans and other animals?
a. carbon dioxide
b. carbon dioxide and water
c. glucose and oxygen
d. glucose
e. oxygen

Question 10 Only plants can carry out photosynthesis. True False

Question 11 During the light reactions of photosynthesis, ...
a. oxygen is produced from H2O.
b. glycolysis occurs.
c. the Krebs cycle occurs.
d. CO2 is combined into glucose.
e. ATP is broken down to ADP + P

Question 12 The reactants of photosynthesis are:
a. sugar.
b. sugar and water.
c. O2 and CO2
d. O2 and sugar.
e. CO2 and water.

Question 13 During the dark reaction phase of photosynthesis in plants...
a. ATP is created.
b. H+ ions are moved into the stroma from the matrix.
c. molecules of CO2 are combined into sugar.
d. H2O is split into oxygen and H+.
e. solar energy is converted to chemical energy.

Which of the following is NOT one of the uses of fungi?

Select one:

a. As a source of antibiotics.

b. To make drinks, like beer.

c. To produce fabrics like cotton and linen.

d. To make food, like bread.

e. As a direct food source: mushrooms, for example.

How do fungi get nutrients?

Select one:

a. They ingest organic material, break it down internally, and absorb the released nutrients through their digestive system.

b. Fungi use each of these methods to get nutrients.

c. They secrete enzymes that break down dead matter or living organisms and absorb the released nutrients.

d. They receive nutrients from other organisms that trade the nutrients for protection from pathogens.

e. They produce their own by photosynthesis.

Why is fungi's role as biodegraders so important to ecosystems?

Select one:

a. It transfers the energy from sunlight into sugars.

b. It provides nutrients and oxygen to the ecosystem.

c. It protects plants from harmful viruses and bacteria.

d. It keeps the level of prey animals down so they do not overwhelm the ecosystem.

e. It recycles and reuses organic molecules so they are not wasted.

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