WorksheetsRegents Ecology
Total questions: 15
Worksheet time: 15mins
Match the following
Food chain
1 path; energy moves thru organisms
Food Web
Many paths; energy moves thru organisms
Energy pyramid
Shows energy is lost at each level
Food Web
Energy pyramid
Drag the terms to the appropriate spot
Pioneer species
Climax species
What is a producer?
an organism that gets energy from eating other organisms
an organisms that uses sunlight to make its own food
an organism that gets energy from eating dead organisms, non-living material or waste
an organism that uses chemical energy to make its own food
In the energy pyramid here, which organisms have the most energy available?
Producers
Carnivores
Herbivores
Top Predator
In the energy pyramid below, which organism has the least amount of energy available?
Producers
Herbivores
Carnivores
Top Predator
If there is 1000 Kcal available in the producers in trophic level 1, how much energy is available in the herbivores in trophic level 2?
10 Kcal
1 Kcal
100 Kcal
1000 Kcal
If these organisms were arranged in a food pyramid, which organism would have the least amount of total energy available?
coyote
insect
lizard
shrub
Which organism recieves the least amount of energy from the producer?
Owl
Grasshopper
Lilypad
Mouse
The largest group of organisms found in a food web would be:
Primary Consumers
Producers
Decomposers
Tertiary Consumers
Which one is NOT an example of a decomposer?
mushroom
leaves
mold
worm
Example of a decomposer
fungus
mouse
plants
frogs
A food pyramid represent the relative amount of energy in trophic levels. Which of the following correctly shows a food pyramid?
A
B
C
D
Which of the following best describes the role of producers in an ecosystem?
A) They decompose organic material to release nutrients.
B) They convert solar energy into chemical energy through photosynthesis.
C) They consume other organisms for energy.
D) They recycle nutrients back into the soil.
In a food web, what is the primary source of energy for all organisms?
A) Decomposers
B) Herbivores
C) The Sun
D) Carnivores
Which of the following is an example of a mutualistic relationship in an ecosystem?
A) A lion hunting a zebra
B) A bee pollinating a flower
C) A fungus decomposing a log
D) A bird eating a worm
