Which of the Following Was a Finding of Tansley's Experiments

question 69

Multiple Choice

Which of the following was a finding of Tansley's experiments with bedstraw plants?

• A) The species that was restricted to acidic soils excluded the species that was adapted to calcareous soils when grown on acidic soils.
• B) The species that grew on calcareous soils was physiologically incapable of growing on acidic soils.
• C) The species that grew on acidic soils was physiologically incapable of growing on calcareous soils.
• D) The two species did not compete with each other when grown together.

---

Definitions:

DC Motor

A type of electric motor that runs on direct current electricity, used in a wide variety of applications from vehicles to industrial machinery.

Shunt Motor

A motor that contains only a shunt field winding.

Square Wave Voltage

An electrical signal that switches instantaneously between two levels, used for digital communication, characterized by its distinct, non-variable high and low states.

DC Average

The average value of a direct current (DC) over a period of time, often used to describe power or signal levels.