WorksheetsNBC 4 Flow of Energy
Total questions: 10
Worksheet time: 5mins
Approximately what percentage of energy is passed on to the next higher level in an energy pyramid?
10%
50%
90%
100%
Which organism recieves the least amount of energy from the producer?
Owl (tertiary consumer)
Grasshopper (primary consumer)
Lilypad (autotroph)
Lizard (secondary consumer)
What do the arrows in the diagram represent?
an increase in population
the evolution of organisms
ecological succession
the flow of energy
In this food web, which 2 animals will compete for the same source of energy (food)?
grasshopper and rabbit
deer and insect-eating bird
shrew and squirrel
snake and grasshopper
Which animal in this food web gets its energy INDIRECTLY from the tree?
deer
rabbit
grasshopper
hawk
Using the food web provided, which of the following CORRECTLY shows a path that energy would flow through this ecosystem?
mouse --> buzzard --> fox
plantain --> grasshopper --> frog
berries --> plantain --> rabbit
plantain --> titmouse --> mouse --> buzzard
What would happen if the rat population rapidly decreased?
the rabbit population would also decrease.
the owl and rattlesnake populations would decrease.
the owl population would increase.
the wildcat would not have any food to eat.
Based on this food web, which organisms are direct food sources for secondary consumers?
Aphid, Bird, Rabbit
Ladybug, Fox, Butterfly
Frog, Butterflies, Berries
Mouse, Snake, Hawk
A marine ecosystem is shown in the image.
What is lost to the environment at each of the trophic levels in the ecosystem?
Nutrients
Food sources
Heat
Living space for the organisms
