1.Some species of bacteria can A. Transform energy into a usable form. B. Fix ni

Question

1.Some species of bacteria can

A. Transform energy into a usable form.

B. Fix nitrogen into a usable form for plants.

C. Decompose dead material.

D. Alter the abiotic factors (i.e. pH) of their environment.

E. All of the above

2.Which of the following statements is/are a role(s) that fungi play in ecosystems?

A. They serve as a food source.

B. They decompose dead material.

C. They serve as autotrophs.

D. All of the above

E. A and B, but not C

3.Only __________ are prokaryotic.

A. bacteria

B. archaea

C. protistans

D. All the above

E. A and B

4.____________ can be used as an energy source for many organisms, the energy in these biological molecules is harvested using the _________ stages of aerobic respiration.

A. H2O and CO2; light dependent and light independent

B. Proteins and Fats; glycolysis and light independent

C. Proteins and Fats; Krebs cycle and oxidative phosphorylation

D. H2O and CO2; glycolysis and oxidative phosphorylation

E. Sun energy and H2O; glycolysis and fermentation

Explanation / Answer

1. (E) All of the above

2. (E) A and B, but not C

3. (E) A and B

4. (C) Proteins and Fats; Krebs cycle and oxidative phosphorylation

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