Ch. 4 Biomes/Ecosystems

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What is a second-level consumer?

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A second-level consumer is an organism that eats first-level consumers (herbivores) and is part of the food chain. In the example of a kestrel eating a mouse that eats grass, the kestrel is a second-level consumer.

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What are freshwater ecosystems?

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Freshwater ecosystems are aquatic environments that contain low concentrations of salt. Examples include ponds and rivers.

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What is evaporation?

Back

Evaporation is the process in which liquid water absorbs energy and changes into a gas state.

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What are omnivores?

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Omnivores are consumers that eat both plants and animals.

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What is a food web?

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A food web is a complex network of many overlapping food chains in an ecosystem.

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What is a producer?

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A producer is an organism that can make its own food, typically through photosynthesis, such as plants.

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What is a first-level consumer?

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A first-level consumer, also known as a herbivore, is an organism that eats producers (plants).

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What is a carnivore?

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A carnivore is a consumer that primarily eats other animals.

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What is a scavenger?

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A scavenger is an organism that feeds on dead or decaying organic matter.

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What is a niche?

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A niche is the role or function of an organism or species within an ecosystem, including its habitat, resource use, and interactions with other organisms.