Pond Organism Visual Guide: Feeding Habits Version
Biology 101
(For lab use only: these images have been swiped from other websites, and this page will disappear after the lab is over.)
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Vertebrate Animals |
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Ducks |
Eats algae, small arthropods, snails, slugs |
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Raccoon |
Omnivorous, will eat fish, crayfish, berries, many plant foods. |
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Great blue heron |
Preys of fish, frogs, small rodents. |
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Redwing Blackbird |
Seed and fruit eaters. |
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Garter snake |
Eat insects, slugs, small frogs, small fish (will enter the water to find fish and frogs). |
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Deer |
Browse on shrubs, twigs, leaves. |
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Rough-skinned newt & tadpoles |
Eat small insects, aquatic arthropods. |
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Bullfrog & Tadpoles |
Tadpoles eat mainly algae; Adult frogs are carnivores, eating insects, small mice, other frogs. |
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Tree frog & Tadpoles |
Tadpoles eat mainly algae; adults eat insects. |
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Lungless salamanders & tadpoles |
Tadpoles eat mainly algae; adults eat insects. |
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Invertebrate Animals |
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Mollusks |
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Snails |
Graze on algae. |
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Fingernail clams |
Filter feeders, eating mainly detritus. |
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Segmented worms |
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Predatory leeches |
Prey on small arthropods. |
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Cnidarians |
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Hydra |
Eat small aquatic arthropods. |
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Arthropods |
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Crayfish |
Detritivores; will feed on carrion. |
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Dragonfly & larvae |
Carnivores. Adults eat insects, larvae eat larval insects. |
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Damselfly & larvae |
Carnivores. Adults eat insects, larvae eat |
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Stonefly & larvae |
Larvae are detritus feeders. |
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Caddisfly & larvae |
Larvae are detritus feeders. |
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Mosquito & larvae |
Adult females feed on blood before egg laying; larvae are filter feeders. |
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Backswimmer |
Carnivores, feeding mostly on small arthropods, but will take other small free-swimming animals. |
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Water boatman |
Most eat algae and small arthropods, including mosquito larvae. |
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Predacious diving beetle |
Carnivores, feeding mostly on small arthropods, but will take other small free-swimming animals. |
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Giant water bug |
Carnivore. Eats small fish, snails, aquatic insects. |
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Water strider |
Carnivore: eats small insects that fall on the water’s surface, and insect larvae. |
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Water fleas (Daphnia) |
Feed primarily on algae. |
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Copepods |
Feed on bacteria, diatoms, other one-celled plankton. |
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Ostracods |
Feed on bacteria, diatoms, other one-celled plankton. |
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Scuds (Amphipods) |
Feed mostly on detritus |
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Protists |
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Diatoms |
Producer |
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Filamentous green algaes |
Producer |
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Cilliated protists (such as Paramecium) |
Consume bacteria, one-celled producers. |
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Amoebae |
Consume bacteria, fungi, detritus. |
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Euglenoids (such as Euglena) |
Producer, consumer, and decomposer all in one. Can eat bacteria and break down detritus. |
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Plants |
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Cattail |
Producer |
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Rush (has round stems) |
Producer |
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Sedge (has triangular stems) |
Producer |
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Producer |
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Alder |
Producer |
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Ash |
Producer |
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Decomposers |
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Bacteria |
Decomposer |
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Water molds |
Decomposer |
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