POGIL Ecological Pyramids How does energy flow through an ecosystem? – Flashcards

Unlock all answers in this set

Unlock answers
question
What is the source of all energy in the pyramid in Model 1
answer
Sunlight hitting the earth's surface
question
How much energy does this source provide to a square meter of the Earth per year? (be sure your answer includes units)
answer
3,190,000 kcals
question
Label the pyramid levels in Model 1 with the following: primary producers, primary consumers, secondary consumers, and tertiary consumers
answer
Oak tree leaves are the primary producers Caterpillars are the primary consumers Blue Jays are the secondary consumers Hawks are the tertiary consumers
question
What percentage of the source energy from question 1a is absorbed by the oak leaves in Model 1?
answer
8 %
question
By what process do the oak leaves harness this energy?
answer
photosynthesis
question
Describe how the consumers in one level of the pyramid obtain energy from the organisms at the previous level of the pyramid
answer
By consuming them
question
How much energy per year do the caterpillars in Model 1 obtain from eating the leaves in a square meter of the oak tree?
answer
4,000 kcal
question
What percentage of the energy that was originally absorbed by the oak tree leaves is passed on to the caterpillars
answer
13.5%
question
What percentage of the energy absorbed by the oak leaves is not passed on to the caterpillars
answer
84.3%
question
With your group, list at least three possible uses and/or products of the energy abosrbed by the oak leaves that did not contribute to the production of biomass.
answer
Photosynthesis, heat,leaves changing colors
Get an explanation on any task
Get unstuck with the help of our AI assistant in seconds
New