Ecology Test Study Guide – TEST THURSDAY
Review the following concepts and make sure you can explain each one. Guardians may sign the bottom of the page to receive 5pts
extra credit on the test.
A. Energy in Ecosystems:
Vocab: Ecosystem, photosynthesis, respiration, solar/light energy, chemical energy, mechanical/motion energy
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Explain where all energy comes from.
Explain how plants get energy and convert it through the process photosynthesis.
Explain how organisms get energy from sugars through the process of respiration.
List the reactants and products for photosynthesis.
List the reactants and products for respiration.
Trace the path of energy from the sun through photosynthesis & respiration to mechanical energy
B. Ecological Dependent Relationships:
Vocab: Ecosystem, symbiosis, producer, consumer, predator, prey, mutualism, commensalism, parasitism
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Explain and give examples of a producer/consumer relationship.
Explain and give examples of a predator/prey relationship.
Explain and give examples of mutualism.
Explain and give examples of commensalism.
Explain and give examples of parasitism.
Food Chains & Food Webs
Vocab: Ecosystem, abiotic factors, biotic factors, producer, consumer (1 st, second, third), decomposer, food chain, food web, energy
pyramid, population, herbivore, omnivore, carnivore
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Explain the difference between a producer and consumer.
Explain the difference between a primary consumer, secondary and tertiary consumer.
Compare and contrast herbivores, omnivores, and carnivores.
Explain a food chain.
Combine different food chains together to create a food web and explain how different organisms are related.
Explain an energy pyramid (what happens to the energy as you move up the pyramid, which type of organism is found at
each level).
18. What is the 10% rule and what type of pyramid does it relate to?
D. Human Impact on Ecosystems:
Vocab: ecosystem, extinction, biodiversity
19. Give examples for how humans can have a positive influence on the environment.
20. Give examples for how humans can have a negative impact on the environment.
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