Producers
Cycles
Omnivores, Carnivores, Herbivores, Oh My!
Energy
Things you should know
100
Which of the following is not a producer? a. Evergreen tree b. algae c. mushrooms d. cactus
c. mushrooms
100
Which of these is part of the nitrogen cycle? a. Nitrogen is produced by living organisms. b. Nitrogen is absorbed by plants when they die. c. Nitrogen goes from the atmosphere to the soil. d. Nitrogen is removed from the soil by animal wastes.
c. Nitrogen goes from the atmosphere to the soil.
100
In which group does a sea anemone belong? a. omnivore b. herbivore c. carnivore d. producer
c. carnivore
100
Which does not flow in a cycle through the environment? a. carbon dioxide b. water c. energy d. nitrogen
c. energy
100
What is studied in ecology? a. matter and its components b. matter and the environment c. living things and their components d. living things and their environments
d. living things and their environments
200
What is the process by which producers use the energy from the Sun to make their own food?
photosythesis
200
How long have the carbon atoms in your body been on earth? a. billions of years b. as long as you have been alive c. probably less than a year d. 15 minutes
a. billions of years
200
Which is NOT an omnivore? a. orangutang b. bear c. human d. squirrel
d. squirrel
200
A food _________ is a model that shows the complicated flow of energy is an ecosystem. a. diagram b. chain c. pyramid d. web
d. web
200
Where do most food chains begin? a. the sun b. producers c. consumers d. decomposers
a. the sun
300
What do plants get from the soil in which they grow? a. water b. simple sugars c. carbon dioxide d. food
a. water
300
What cycle of matter involves carbon dioxide in Earth's atmosphere? a. carbon b. nitrogen c. water d. oxygen
a. carbon
300
How do omnivores get their energy? a. by eating animals b. by eating plants and animals c. by eating plants d. by being exposed to sunlight
b. by eating plants and animals
300
What is the largest level of an energy pyramid? a. tertiary consumers b. primary consumers c. secondary consumers d. producers
d. producers
300
What is the role of nitrifying bacteria in the nitrogen cycle?a. destroying harmful nitrogen b. capturing nitrogen from the air c. changing nitrogen so plants can absorb it d. manufacturing constant supplies of nitrogen
c. changing nitrogen so plants can absorb it
400
a. No b. Most c. Some d. All ______ green plants are producers.
d. All
400
How did ancient cyanobacteria help create Earth's atmosphere as it exists today? a. by making methane b. by producing carbon dioxide c. by producing water d. by producing oxygen
d. by producing oxygen
400
When does a predator become a scavenger? a. when they eat plants instead of animals b. when they eat animals they have killed c. when they eat dead animals they did not kill d. when they produce their own food
c. when they eat dead animals they did not kill
400
Each organism releases some energy to the environment as ______________. a. heat b. carbon c. nitrogen d. phosphorus
a. heat
400
Which is a producer? a. algae b. the sun c. a ladybug d. nitrogen
a. algae
500
Grass uses photosynthesis to produce ....? a. fewer offspring b. water c. evaporation d. sugar molecules
d. sugar molecules
500
What enables plants to use the nitrogen in the soil? a. carbon dioxide conversion b. herbivores c. carnivores d. nitrifying bacteria
d. nitrifying bacteria
500
Which of these is in the correct order of a food chain? a. Grass is eaten by a rabbit , which is eaten by a wolf. b. A wolf is eaten by grass, which is eaten by a rabbit. c. A rabbit is eaten by a wolf, which is eaten by grass. d. A rabbit is eaten by grass, which is eaten by a wolf.
a. Grass is eaten by a rabbit , which is eaten by a wolf.
500
Why do the layers in an energy pyramid get smaller toward the top? a. There are more carnivores than the layer below. b. Each layer has less energy than the layer below. c. Each layer has less sunlight than the layer below. d. There are fewer herbivores than the layer below.
b. Each layer has less energy than the layer below.
500
Which is true about the higher levels on an energy pyramid? a.less energy is lost b. less energy is available c. more energy is available d. more energy is produced
b. less energy is available
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