EcoQuest Macroinvertebrate ID

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What is a dragonfly?

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A dragonfly is an insect belonging to the order Odonata, known for its large multifaceted eyes, two pairs of strong transparent wings, and elongated body. They are often found near water bodies and are predators of other insects.

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What is a water penny?

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A water penny is the larval stage of a type of beetle in the family Psephenidae. They are flat, round, and often found clinging to rocks in streams and rivers, playing a role in the aquatic ecosystem.

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What is a stonefly?

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A stonefly is an aquatic insect belonging to the order Plecoptera. They are characterized by their two pairs of wings and are sensitive to pollution, making them indicators of water quality.

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What is an aquatic worm?

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Aquatic worms are segmented worms that live in freshwater environments. They play a crucial role in the ecosystem by breaking down organic matter and serving as food for various aquatic animals.

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What is a fingernail clam?

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A fingernail clam is a small bivalve mollusk that is often found in freshwater habitats. They are named for their small size, resembling a human fingernail, and they filter feed on microscopic particles in the water.

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What is the role of macroinvertebrates in aquatic ecosystems?

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Macroinvertebrates serve as indicators of water quality, contribute to nutrient cycling, and are a food source for fish and other wildlife, playing a vital role in the aquatic food web.

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What is the significance of identifying macroinvertebrates?

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Identifying macroinvertebrates helps assess the health of aquatic ecosystems, as different species have varying levels of tolerance to pollution and environmental changes.

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What are the characteristics of caddisfly larvae?

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Caddisfly larvae are aquatic insects that build protective cases from materials like sand, twigs, and leaves. They are important for the ecosystem as they contribute to the breakdown of organic matter.

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What is a midge larva?

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Midge larvae are small, aquatic insects that are often found in freshwater environments. They are known for their role in the food web, serving as food for fish and other aquatic animals.

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What is a crayfish?

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A crayfish is a freshwater crustacean resembling a small lobster. They are important scavengers in aquatic ecosystems, helping to recycle nutrients.