The white, sticky, toxic liquid that runs through extracellular canals and is particularly common in plants of the milkweed family is called:

Question

Quizplus · Accepted Answer

The description given matches the characteristics of latex, which is a milky, sticky, and often toxic substance found in the extracellular canals of many plants, particularly those in the milkweed family. Filament refers to the stalk that supports an anther in a flower, nectar is a sweet liquid secreted by flowers to attract pollinators, alkaloid is a class of organic molecules found in many plants often associated with their toxicity or medicinal properties, and tannin is a bitter-tasting substance found in various plant parts used for tanning leather or dyeing.

The White, Sticky, Toxic Liquid That Runs Through Extracellular Canals