WorksheetsBiology 12C Energy Pyramids and Food Webs
Total questions: 10
Worksheet time: 20mins
The populations of which organisms will most likely increase as a result of a disease that suddenly reduced the population of Texas horned lizards?
Grasses and ants
Ants and grasshoppers
Grasshoppers and Texas Cottonmouths
Texas cottonmouths and red shouldered hawks
Which statement provides the best explanation for the difference in biomass of organisms found at each trophic level?
Organisms at higher trophic levels have less energy available to them than organisms at lower trophic levels.
Organisms at higher trophic levles require smaller habitats than organisms at lower trophic levels.
Organisms at lower trophic levels provide less energy than organisms at higher trophic levels.
Organisms at lower trophic levels outcompete organisms at higher trophic levels.
When constructing an energy pyramid of a swamp ecosystem, which of these would be placed at the top of the pyramid.
Grass carp
American Alligator
Eastern mud turtle
Great blue heron
Based on this food web, which organisms are direct sources of energy for secondary consumers?
aphid, bird, rabbit
ladybug, fox, dragonfly
frog, butterfly, berries
mouse, snake, hawk
Based on the energy flow between trophic levels in an energy pyramid, how much energy would be expected to be found at the secondary consumer level in this energy pyramid?
100 Joules
500 Joules
1,000 Joules
50 Joules
Which organisms are both secondary and tertiary consumers?
chemosynthetic bacteria and amphipods
zooplankton and muscles
ratfish and octopuses
galatheid crabs and zoarcid fish
What is lost to the environment at each trophic level?
food sources
living space for the organisms
nutrients from soil
heat
Which answer choice best describes a community?
Praying mantises caring for their young
Three-spined sticklebacks living in estuaries
different species of lizard occupying the same niche in a desert
roosting mother bats recognizing their offspring
In what order are the levels in the diagram?
population, community, ecosystem
organism, community, population
organism, population, community
ecosystem, population, community
A science class is planning a field trip to a local farm that has a large pond. Which of the following lists the order of biological organization from smallest to largest that the students can expect to find at the pond?
population, organism, community ecosystem
organism population community ecosystem
organism community population ecosystem
population organism ecosystem community
