Worksheet: Flow of Matter and Energy in Ecosystems
Comprehension worksheet generated from the video "Flow of Matter and Energy in Ecosystems".
Worksheet: Flow of Matter and Energy in Ecosystems
JaxDoc
Vocabulary
- Producers — Organisms that make food from the sun’s energy.
- Primary consumers — Animals that eat plants (herbivores).
- Tertiary consumers — Animals that eat secondary consumers.
- Detritivores — Animals that eat dead animals and/or plants.
- Energy Pyramid — A representation of the flow of energy in an ecosystem, showing a decrease in energy at each successive trophic level.
Questions
Watch the video carefully and answer the following questions based on the information presented.
1.
According to the video (4:04), what percentage of energy is transferred from one trophic level to the next in a food chain, and what happens to the remaining energy?
2.
Based on the energy pyramid example shown in the video (4:55), if producers have 1,000 kcal of energy, how much energy would be available to the secondary consumers?
3.
The video (7:08) describes an “inverted pyramid” for biomass in some ecosystems. In which type of ecosystem is this most commonly found, and what is the primary reason for this inversion?
4.
Which of the following best describes a tertiary consumer as defined in the video (1:36)?
5.
Explain the concept of “balance in the ecosystem” as discussed in the video’s summary (9:14). What happens if one level of the food chain is significantly disrupted or lost, and why is this important for maintaining biodiversity?
