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Chapter 46: Q. 14 (page 1369)

Organisms that can make their own food using inorganic molecules are called: a. autotrophs b. heterotrophs c. photoautotrophs d. chemoautotrophs

Short Answer

Expert verified

The correct option is d. chemoautotrophs .

Step by step solution

01

Step 1. Given information

hemoautotrophs are organisms that obtain their energy from a chemical reaction (chemotrophs) but their source of carbon is the most oxidized form of carbon, carbon dioxide (CO2).

02

Step 2. Explanation

The correct option is d. chemoautotrophs .

hemoautotrophs are organisms that obtain their energy from a chemical reaction (chemotrophs) but their source of carbon is the most oxidized form of carbon, carbon dioxide (CO2).

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Most popular questions from this chapter

Which term describes the process whereby toxic substances increase along trophic levels of an ecosystem? a. biomassification b. biomagnification c. bioentropy d. heterotrophy

2. The process whereby oxygen is depleted by the growth of microorganisms due to excess nutrients in aquatic systems is called ________. a. dead zoning b. eutrophication c. retrofication d. depletion

Why do you think the value for gross productivity of the primary producers is the same as the value for total heat and respiration (20,810 kcal/m2 /yr)?

Which of the following approaches would be the most effective way to reduce greenhouse carbon dioxide?

a. Increase waste deposition into the deep ocean.

b. Plant more environmentally-suitable plants.

c. Increase use of fuel sources that do not produce carbon dioxide as a by-product.

d. Decrease livestock agriculture

The ability of an ecosystem to return to its equilibrium state after an environmental disturbance is called ________. a. resistance b. restoration c. reformation d. resilience
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