- ants (various spp.) – sociobiology, caste structure, colonial behavior, reproduction & development
- brine shrimp (Artemia) – habitat selection, effect of salinity on growth, phototaxis, geotaxis, hatching
- crickets (Gryllus texensis) – respiration, behavior, growth & development, metamorphosis, population dynamics, temperature response
- daphnia (Daphnia) – heart rate, circulation, response to alcohol & caffeine
- earth worms (Isoptera spp.) – thermotaxis, phototaxis, temperature sensitivity
- euglena (Euglena) – gravitaxis, phototaxis
- frog (Xenopus) – egg fertilization, embryology
- fruit flies (Drosophila melongaster) – genetics; light & color, temperature sensitivity
- gold fish (Carassius auratus) – circulation, breathing rate, response to dissolved oxygen)
- halobacterium (Halobacterium salinarium) – DNA, survival in extremes, exponential growth rate
- hydra (Hydra littoralis) – budding, regeneration, vegetative reproduction
- laboratory rat (Rattus norvegicus) – memory, behavior, exercise
- lady beetle (Hippodamia convergens) – predation, biological pest control, lifecycle
- land snails (Solatopupa) – response to gravity, touch, light, and chemicals; environmental preferences, movement
- mealworm (Tenebrio molito) – metamorphosis, taxis, kinesis, binary choices
- paramecium (Paramecium caudatum) – phototaxis, cilia propulsion
- planaria (Seriata) –regeneration; light, temperature & pH sensitivity
- silkworm (Bombyx mori) – development, metamorphosis, food preference, eating
- termites (Isoptera spp.) – chemotaxis, nesting & foraging behavior, division of labor
