AP Ecosystem (54) Quiz
.
- 1.
![Look at the following energy pyramid. If the producers have 7000 kcal of energy, how much energy will be available for the Sheephead ?fish? - ProProfs]( "Look at the following energy pyramid. If the producers have 7000 kcal of energy, how much energy will be available for the Sheephead ?fish?")
Look at the following energy pyramid. If the producers have 7000 kcal of energy, how much energy will be available for the Sheephead ?fish?- A.
7 kcal
- B.
70 kcal
- C.
700 kcal
- D.
7000 kcal
- 2.
![Which level of this food pyramid represents the largest amount of organisms? - ProProfs]( "Which level of this food pyramid represents the largest amount of organisms?")
Which level of this food pyramid represents the largest amount of organisms?- A.
Tertiary consumers
- B.
Secondary consumers
- C.
Primary consumers
- D.
Producers
- 3.
![Which of these best describes the relationship shown by this Kelp Forest Ecosystempyramid? - ProProfs]( "Which of these best describes the relationship shown by this Kelp Forest Ecosystempyramid?")
Which of these best describes the relationship shown by this Kelp Forest Ecosystempyramid?- A.
The Giant Sea Bass is a predator of the Sheephead
- B.
The Giant Sea Bass is the prey of the Sheephead
- C.
Sea Urchins are the prey of the Kelp.
- D.
Sheepheads are the predator of the Giant Sea Bass
- 4.
![If birds eat insects that feed on corn, which pyramid level would birds occupy? - ProProfs]( "If birds eat insects that feed on corn, which pyramid level would birds occupy?")
If birds eat insects that feed on corn, which pyramid level would birds occupy?- A.
A
- B.
B
- C.
C
- D.
D
- 5.An energy pyramid is used to show _________.
- A.
The layout of organisms in any order seen fit
- B.
The amount of energy in the universe
- C.
The amount of energy at each trophic level
- D.
Organized by organism size
- 6.Net primary productivity represents
- A.
The amount of biomass in excess of that needed to support plant cell respiration.
- B.
The rate at which energy is captured during photosynthesis.
- C.
The amount of carbon dioxide produced by plants.
- D.
Energy production in an area per unit time.
- E.
Plant reproduction per unit area per unit time.
- 7.Primary source of carbon for photosynthetic organisms is:
- A.
Bicarbonate in the water.
- B.
Nitrate in the soil.
- C.
Carbon dioxide in the atmosphere and water.
- D.
Dissolved phosphate in water.
- E.
Carbonic acid in rain.
- 8.Which of the following terms is synonymous with photosynthetic organisms?
- A.
Primary consumer and autotroph
- B.
Primary producer and autotroph
- C.
Primary producer and heterotroph
- D.
Primary consumer and heterotroph
- E.
Primary consumer and producer
- 9.Which of the following statements reflects a key concept about ecosystems?
- A.
Matter moves linearly through different systems, both abiotic and biotic, within an ecosystem
- B.
There is a one-way flow of energy through the food webs of ecosystems
- C.
Conservation should focus on the success and survival of individual species
- D.
The abiotic environment does not influence the distribution and survival of particular organisms.
- 10.What key factor limits the number of trophic levels in an ecosystem?
- A.
Maximum solar radiation
- B.
Energy loss
- C.
Herbivore size
- D.
Predator size
- E.
Climate
- 11.Fixation of carbon is accomplished by:
- A.
Photosynthetic organisms.
- B.
Primary consumers
- C.
Decomposers.
- D.
Bacterial decomposers.
- E.
Burning of organic matter.
- 12.The major atmospheric components of Earth, from the lowest concentration to the greatest concentration, are:
- A.
Nitrogen, carbon dioxide, and oxygen.
- B.
Nitrogen, oxygen, and carbon dioxide.
- C.
Carbon dioxide, nitrogen, and oxygen.
- D.
Carbon dioxide, oxygen, and nitrogen.
- E.
Oxygen, nitrogen, and carbon dioxide.
- 13.The causes of increased carbon dioxide being released into the atmosphere include:
- A.
The burning of fossil fuels such as coal and gasoline.
- B.
The burning of wood.
- C.
Cattle production.
- D.
Heating with natural gas.
- E.
All of these.
- 14.Fixation of nitrogren is usually accomplished by
- A.
Corn
- B.
Algae
- C.
Bacteria
- D.
Lichens
- E.
Photosynthetic producers
- 15.The total amount of organic food produced in an ecosystem is measured by
- A.
Primary productivity
- B.
Gross primary productivity
- C.
Net primary productivity
- D.
Food web
- E.
Nitrogen cycle
Questions: 27 | Attempts: 280 | Last updated: Jan 17, 2013
-
Sample QuestionHow can you tell something is living?
Questions: 6 | Attempts: 238 | Last updated: Jan 22, 2013
-
Sample QuestionWhich is correct?
Questions: 41 | Attempts: 3768 | Last updated: Feb 14, 2019
-
Sample QuestionWhat is the current model of cell membranes?
Back to top