This biology question covers important biological concepts and processes. The step-by-step explanation below helps you understand the underlying mechanisms and reasoning.

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G: Euglena
Here is a dichotomous key for the given specimens A-H:
Specimens: A: Hibiscus B: Fern Plant C: Maize Plant D: Groundnut Plant E: Earthworm F: Sea Anemone G: Euglena H: Spirogyra
Dichotomous Key:
1a. Organism is unicellular. Go to 2 1b. Organism is multicellular. Go to 3
2a. Unicellular organism has a flagellum and chloroplasts. 2b. Unicellular organism is filamentous and photosynthetic.
3a. Multicellular organism is a plant (autotrophic, has cell walls). Go to 4 3b. Multicellular organism is an animal (heterotrophic, no cell walls). Go to 7
4a. Plant reproduces by spores; no flowers or seeds. 4b. Plant produces flowers and seeds. Go to 5
5a. Plant has parallel venation in leaves and fibrous roots (monocot). 5b. Plant has net venation in leaves and a taproot (dicot). Go to 6
6a. Plant is a shrub with large, showy flowers. 6b. Plant is a herb that produces pods underground.
7a. Animal has bilateral symmetry and a segmented body. 7b. Animal has radial symmetry and is sessile.
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Specimens: A: Hibiscus B: Fern Plant C: Maize Plant D: Groundnut Plant E: Earthworm F: Sea Anemone G: Euglena H: Spirogyra Dichotomous Key: 1a.
This biology question covers important biological concepts and processes. The step-by-step explanation below helps you understand the underlying mechanisms and reasoning.