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Questions and Answers
Which process do producers use to convert sunlight into energy?
Which process do producers use to convert sunlight into energy?
- Decomposition
- Photosynthesis (correct)
- Respiration
- Nitrogen fixation
All consumers are classified as either herbivores or carnivores.
All consumers are classified as either herbivores or carnivores.
False (B)
What is the process by which nitrifying bacteria convert ammonia into nitrates?
What is the process by which nitrifying bacteria convert ammonia into nitrates?
Nitrification
The maximum population size that an environment can sustain indefinitely is called its ______.
The maximum population size that an environment can sustain indefinitely is called its ______.
Match the following types of competition with their definitions:
Match the following types of competition with their definitions:
Flashcards
Photosynthesis
Photosynthesis
The process by which plants and some bacteria convert light energy into chemical energy stored in glucose. It uses carbon dioxide, water, and sunlight to produce glucose and oxygen.
Respiration
Respiration
The process by which cells break down glucose to release energy in the form of ATP. It requires oxygen and releases carbon dioxide and water as waste products.
Nitrogen Cycle
Nitrogen Cycle
The cycling of nitrogen through the environment, involving processes like nitrogen fixation, nitrification, and denitrification.
Carrying Capacity
Carrying Capacity
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Succession
Succession
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Study Notes
Ecology Review
- Carbon and Nitrogen Cycles: Explain how eutrophication, combustion, and deforestation affect the carbon and nitrogen cycles.
- Photosynthesis and Respiration: Write the equations for photosynthesis and respiration. Also, identify organisms that perform each process.
- Nutrient Cycles: Describe components of the nitrogen cycle, including nitrification, denitrification, nitrogen fixation, and nitrogen-fixing bacteria.
- Ecological Interactions: Define producer, consumer (primary, secondary, tertiary), ecosystem, herbivore, carnivore, omnivore, apex predator, prey, predator, carrying capacity, food chain, food web, trophic level, decomposer, autotroph, heterotroph, biomagnification (e.g., DDT), population, interspecific competition, intraspecific competition, biodiversity, sustainability, primary and secondary succession.
- Ecological Pyramids: Describe the types (number, biomass, energy) of ecological pyramids, the amount of energy transfer between trophic levels, and give an example of how energy is passed between each trophic level. Identify the source of all energy in an ecosystem.
- Food Chains: Construct a food chain including an eagle, mouse, grass, and snake. Identify the producer, herbivore, carnivore, and apex predator. Specify trophic levels.
- Trophic Level Abundance: Explain why certain trophic levels in a food web have greater or lesser numbers of organisms. What happens to the food web if one trophic level is affected?
- Population Growth and Carrying Capacity: Create a graph that shows a population increasing, reaching carrying capacity, and then maintaining a dynamic equilibrium.
- Density Dependent vs. Density Independent Factors: Define density-dependent and density-independent factors and give examples for each.
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Description
Test your knowledge on key concepts in ecology, including the carbon and nitrogen cycles, photosynthesis and respiration, nutrient cycles, and ecological interactions. This quiz will cover important definitions and processes that are crucial to understanding ecosystem dynamics.
