WorksheetsFlow of Energy March 1, 2019
Total questions: 13
Worksheet time: 12mins
How might the food web be affected if there were a sudden decrease in the rat population?
There will be an increase in the number of ants, tarantulas, and snakes.
There will be an increase in the number of snakes, coyotes, and hawks.
There will be a decrease in the number of snakes, coyotes, and hawks.
There will be a decrease in the number of cacti and sagebrush plants.
In the diagram above, where is light energy converted to chemical energy?
Sun
Grass
Grasshopper
Hawk
Different organisms have specific roles in cycling matter within an ecosystem. Which type of organism has the role of recycling nutrients within the system?
Producer
Decomposer
Predator
Consumer
Fruit and vegetable scraps can be put into compost bins. Water is also needed for composting to be effective. With frequent turning, the compost will turn into soil after about three months.
What is occurring in the compost bin?
Decaying causes the food to become cold.
The amount of matter is doubled.
Decomposers break down the organic matter.
All the microbes in the food die
What is the correct arrangement of these organisms on an energy pyramid?
What process in the natural world converts radiant energy into chemical energy?
respiration
condensation
diffusion
photosynthesis
About how much energy is LOST when an organism consumes another organism from a different trophic level?
10%
90%
50%
25%
Which answer best describes the transfer of energy as it moves up the energy pyramid?
Energy gets larger as you go up the pyramid.
Energy gets smaller as you go up the pyramid.
Energy stays the same as you go up the pyramid.
What is energy?
