Examlex
A study conducted by economists Marianne Bertrand and Sendhil Mullainathan found evidence of labor-market discrimination based on which of the following findings?
Protonephridia
A network of dead-end tubules lacking internal openings in certain invertebrates, serving as an excretory and osmoregulatory system.
Nephridia
Excretory organs in many invertebrates, responsible for the removal of waste products from an organism's body.
Lancelets
Small, fish-like marine animals belonging to the subphylum Cephalochordata, known for their role as a model organism in evolutionary biology.
Nephridiopores
External openings of the nephridia, which are excretory organs in many invertebrates, allowing waste to exit the body.
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