Energy Flow in Ecosystems
Explore the concepts of energy flow, food chains, food webs, and ecological pyramids in this Grade 10 Science worksheet.
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 for calculations.
Match each organism to its correct trophic level in an ecosystem.
1. Grass
a. Primary Consumer
2. Rabbit
b. Producer
3. Snake
c. Secondary Consumer
4. Hawk
d. Tertiary Consumer
1. The ultimate source of energy for almost all ecosystems on Earth is the .
2. Organisms that produce their own food are called .
3. Only about percent of energy is transferred from one trophic level to the next.
4. Decomposers, such as bacteria and fungi, play a crucial role in recycling back into the ecosystem.
1. Which of the following best describes a food chain?
A network of interconnected food chains.
A single pathway of energy transfer.
The feeding relationships between all organisms in an ecosystem.
The process of photosynthesis.
2. If a producer has 10,000 units of energy, how much energy would typically be available to a secondary consumer in that ecosystem?
10,000 units
1,000 units
100 units
10 units
Observe the food web above and answer the following questions:
1. Identify two producers from the food web.
2. Name one organism that is both a primary and secondary consumer.
3. What would happen to the population of snakes if the hawk population decreased significantly?
1. Explain the difference between a food chain and a food web.
2. Describe the concept of an energy pyramid and why it is always upright.
1. Decomposers are at the top of every food chain.
True
False
2. Herbivores are primary consumers.
True
False
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.
Convergent Evolution Worksheet
This worksheet explores the concept of convergent evolution, where unrelated species evolve similar traits due to similar environmental pressures.
Cell Energy: Photosynthesis and Cellular Respiration
Explore the fundamental processes of photosynthesis and cellular respiration, how cells obtain and use energy, and the organelles involved.
Neuromuscular Junction Worksheet
Explore the structure and function of the neuromuscular junction and its role in muscle contraction.
Bacterial Transformation Worksheet
This worksheet covers key concepts in bacterial transformation, including the process, mechanisms, and applications.
Grade 10 Plasmid Mapping Worksheet
A Grade 10 Science worksheet focusing on understanding and interpreting plasmid maps, including restriction sites and gene locations.
Pathogenic Microorganisms Worksheet
A Grade 10 science worksheet covering types of pathogenic microorganisms, their characteristics, and how they cause disease.