Energy Flow in Ecosystems
Explore the concepts of energy flow, food chains, food webs, and trophic levels within ecosystems.
Includes
Standards
Topics
Energy Flow in Ecosystems
Name:
Date:
Score:
Read each question carefully and answer to the best of your ability. Show all your work where applicable.
1. Which of the following organisms is a producer in most ecosystems?
Lion
Fungus
Oak Tree
Human
2. What percentage of energy is typically transferred from one trophic level to the next?
1%
10%
50%
90%
3. Organisms that produce their own food are called .
4. A network of feeding interactions in an ecosystem is known as a .
5. Decomposers play a crucial role in recycling nutrients back into the ecosystem.
True
False
6. Herbivores are organisms that feed on other animals.
True
False
7. Explain the difference between a food chain and a food web.
8. Analyze the food web below and answer the questions that follow.

a) Identify one producer from the food web.
b) Identify one primary consumer from the food web.
c) Identify one secondary consumer from the food web.
d) If the population of snakes suddenly decreased, what immediate effect would this have on the populations of mice and hawks?
Related Worksheets
Phylogenetic Tree Worksheet
Explore the principles of phylogenetic trees, common ancestry, and evolutionary relationships among organisms.
Blood Sugar Regulation Worksheet
A Grade 10 science worksheet covering the regulation of blood sugar, including the roles of insulin, glucagon, and the pancreas.
Bacterial Transformation Worksheet
This worksheet covers key concepts in bacterial transformation, including the process, mechanisms, and applications.
Cell Environments Worksheet
Explore the principles of cell environments, including osmosis, diffusion, active transport, and their effects on plant and animal cells.
Bone Markings Worksheet
A Grade 10 Science worksheet focusing on the identification and function of various bone markings.
Properties of Carbon Worksheet
Explore the unique properties of carbon, its atomic structure, bonding capabilities, and its importance in organic chemistry and living organisms.
Human Skull Anatomy Worksheet
A Grade 10 science worksheet focusing on the anatomy and functions of the human skull, including its various bones and protective role.
Grade 10 Biology: Heart Structure Worksheet
A comprehensive worksheet for Grade 10 Biology students covering the structure and function of the human heart.