Equipment used for the measurement of growth in plants is known as

Constantly dividing cells,both at the root apex and shoot apex,represent:

In geometrical growth,the lag phase is represented by:

When certain tomato plants are kept in a dark room for a few days,they develop an albinism-like color. What is this phenomenon called?

Introduce the mathematical form of growth.

In the expression,$W_1 = W_0 e^{rt}$,what do $W_1, W_0, r,$ and $t$ represent?