Ecology Final Exam Review 12-18-24

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What is a Trophic Level?

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A trophic level is a position in a food web or food chain that indicates the organism's role in the flow of energy and nutrients. Levels include producers, primary consumers, secondary consumers, and tertiary consumers.

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What is a Tertiary Consumer?

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A tertiary consumer is an organism that eats secondary consumers. They are typically at the top of the food chain and have no natural predators.

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What biome is characterized by four distinct seasons and deciduous trees?

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Temperate Deciduous Forest is characterized by four distinct seasons and trees that lose their leaves in the fall.

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What is Exponential Growth?

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Exponential growth occurs when the growth rate of a population is proportional to its current size, leading to a rapid increase in population.

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What is Logistic Growth?

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Logistic growth is a model of population growth that shows how a population grows rapidly at first, then slows as it approaches the carrying capacity of its environment.

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What is Mutualism?

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Mutualism is a type of symbiotic relationship where both species benefit from the interaction.

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What is the difference between a Primary Consumer and a Secondary Consumer?

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Primary consumers eat producers (plants), while secondary consumers eat primary consumers.

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What is a Food Web?

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A food web is a complex network of feeding relationships among organisms in an ecosystem, showing how energy and nutrients flow.

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What is the role of Producers in an ecosystem?

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Producers, such as plants, convert sunlight into energy through photosynthesis, forming the base of the food chain.

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What is a Predator-Prey Cycle?

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A predator-prey cycle describes the fluctuations in population sizes of predators and their prey, often leading to cyclical patterns.