WorksheetsACTIVITY: Transfer of energy through the trophic levels
Total questions: 10
Worksheet time: 5mins
The most essential factor controlling the kind of species that dwell in an ecosystem is _______.
the flow of energy
biodiversity
Sunlight
food availability
Photosynthesis produces energy in the form of _______.
plants
sugar
both plant and sugar
neither
From the image, which is an autotroph and a producer?
eagle
snake
fungi
grass
The grasshopper, rat, snake; and eagle are called ________.
producers and autotrophs
consumers and autotrophs
consumers and heterotrophs
all of the answers
What are the two types of food chain?
Grazing and detrimental
Grazing and detrital
Greyzing and detrimental
Greyzing and detrital
At every trophic level, what percentage of energy from the food in the previous trophic level is consumed?
90%
9%
10%
1%
The term used to refer to each level to which energy is passed from one to the other is called
a. Trophic level
b. Energy level
a only
both a and b
What happens to energy as it moves up the food pyramid, from producers to tertiary consumers?
increases
decreases
stays the same
Which of these are classified as heterotrophs or consumers?
a. Herbivores
Carnivores
Omnivores
b. Detritivores/
Decomposers
a only
both a and b
Fill in what's missing in this food chain:
SUN--> producer--> primary consumer-->secondary consumer--> tertiary consumer--> (a)
