Why do we have creases on our fingers, and do they have a primary use?

Ashort, vertical, solid, or fleshy stem possessed by gladiolus and which is used in reproduction is termed a . termed a .

The phlogiston theory in the 17th century attempted to explain burning. the theory stated that combustable objects contained a material called phlogiston, a substance without mass, color, odor, etc. after objects burned, the objects were dephlogistonated and were then in their true form. the phlogiston theory was accepted until the 18th century, when lavoisier proved that combustion requires a gas that has mass. phlogiston is considered a) to be scientific knowledge b) not to be scientific knowledge c) to be proven by scientific method d) to be accepted in the modern scientific community

Which feature of a human community is similar to a niche in a biological community