Chapter 3 Quiz - Biology



Chapter 3 Quiz Biology DO NOT WRITE ON THIS FORM NUMBER ON ANSWER SHEET

1. The branch of biology dealing with interactions among organisms and between organisms and their environment is called

a. economy b. modeling c. recycling d. ecology

2. What are the combined portions of Earth called in which all living things exist?

a. community b. biosphere c. ecosystem d. biome

3. All of the members of a particular species that live in the same area are called a(an)

a. biome. b. community c. population d. ecosystem

4. Which of the following descriptions about the organization of an ecosystem is correct?

a. Communities make up species, which make up populations.

b. Populations make up species, which make up communities,

c. Species make up communities, which make up populations.

d. Species are grouped in populations, which make up communities.

5. What is the original source of almost all the energy in most ecosystems?

a. carbohydrates b. carbon c. water d. sunlight

6. The movements of energy and nutrients through living systems are different because

a. energy forms chemical compounds and nutrients are lost as heat.

b. energy flows in one direction and nutrients recycle.

c. energy is limited in the biosphere and nutrients are always available.

d. nutrients flow in one direction and energy recycles.

7. Organisms that obtain nutrients by breaking down dead and decaying plants and animals are called

a. autotrophs. b. omnivores c. decomposers. d. producers

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8. The algae at the beginning of the food chain in the figure are

a. consumers. b. decomposers c. producers, d. heterotrophs

9. The small fishes in the figure above are

a. consumers. b. decomposers c. producers, d. upper level carnivore

10. An organism that uses energy to produce its own food supply from inorganic compounds is called a(an)

a. heterotroph. b. detritivore. c. consumer. d. autotroph

11. Which of the following organisms does NOT require sunlight to live?

a. chemosynthetic bacteria b. algae c. trees d. photosynthetic bacteria

12. What animals eat both producers and consumers?

a. herbivores b. omnivores c. chemotrophs d. autotrophs

13. A snake that eats a frog that has eaten an insect that fed on a plant is a

a. first-level producer b. first-level consumer c. second-level producer d. third-level consumer

14. Only __ percent of the energy stored in an organism can be passed on to the next trophic level.

a.1% b. 5% c. 10% d. 25%

15. Carbon cycles through the biosphere in all of the following processes EXCEPT

a. photosynthesis b. decomposition c. respiration d. transpiration

16. Which biogeochemical cycle does not involve a stage where the chemical enters the atmosphere?

a. phosphorus b. carbon c. nitrogen d. water

17. Water enters the atmosphere by

a. evaporation and runoff b. evaporation and transpiration

c. transpiration and root uptake d. precipitation and condensation

18. Of the four biogeochemical cycles from chapter 3, which one always maintains the same chemical form?

a. carbon b. water c. phosphorus d. nitrogen

19. Some bacteria in soil and on roots of plants convert nitrogen gas to ammonia in a process called

a. denitrification b. nitrogen fixation c. recycling d. nitrogen balance

20. As an animal dies and decomposes this is either returned to the atmosphere or soil.

a. water b. carbon c. phosphorus d. nitrogen e. all of them.

21. Evaluate the food web below. There are two errors in it. Find and describe each error, and give a thorough explanation of what is wrong and how it needs to be fixed.

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