Environmental Science Final Exam Practice

Front

What is an ecosystem?

Back

A biological community made up of living (biotic) and non-living (abiotic) components interacting with each other.

Front

What is a limiting factor in an ecosystem?

Back

A condition that restricts the growth, abundance, or distribution of an organism or a population within an ecosystem.

Front

What happens to biodiversity when a keystone species is removed?

Back

Biodiversity goes down.

Front

What is exponential growth in a population?

Back

A growth pattern where the population size increases at a constant rate over time, leading to a rapid increase.

Front

What is the predator-prey relationship?

Back

An ecological interaction where one organism (the predator) hunts and eats another organism (the prey).

Front

What are herbivores?

Back

Organisms that primarily consume plants.

Front

What is competition in an ecosystem?

Back

The struggle between organisms for the same resources (food, space, etc.) in an ecosystem.

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What is the role of producers in an ecosystem?

Back

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

Front

What is a food web?

Back

A complex network of feeding relationships among various organisms in an ecosystem.

Front

What is a food chain?

Back

A linear sequence of organisms through which nutrients and energy pass as one organism eats another.