Here are the answers to the questions on the worksheet, based on the word bank and the diagram provided.
Part 1: Fill in the blanks (Questions 1–9)
1. Energy is lost in each step of the food chain to
heat and wastes.
2. There is a
decrease in the energy of each feeding level as you move up the energy pyramid.
3. The ultimate source of energy for any food web is the
sun.
4.
Producer organisms in a food web capture the energy of the sun.
5. The direction of energy flow in a food web is represented by a(n)
arrow.
6. Producer organisms in a food chain are consumed by a
primary consumer.
7.
Biomass refers to the total weight of the living things in a feeding level.
8. A(n)
food web provides a way of describing the feeding and energy relationships in a food chain or food web.
9. A(n)
food chain is a simple way of describing feeding relationships between a few organisms.
***
Part 2: Questions based on the diagram (Questions 21–23)
21. What is the main source of energy for these ecosystems?
The Sun (or just
Sun)
22. Identify a consumer in these ecosystems.
*(You can choose any animal from the picture)*
Deer,
Rabbit,
Frog,
Fish, or
Human
23. Identify one organism in these ecosystems that produces chlorophyll.
*(Chlorophyll is found in plants/producers)*
Trees or
Grass
Parent Tip: Review the logic above to help your child master the concept of relationships in ecosystems worksheet.
