A plant's response to the position of the sun in the sky is termed

a. photoperiodism.

b. heliotropism.

c. phototropism.

d. thigmotropism.

Which anatomical part of the eye is responsible for the production of tears?

Bacteria are grown in a petri dish. One side of the dish is sprayed with an antibiotic. After a week, the number of bacteria colonies are counted on each side. What is the independent and dependent variable?

What can people do to reduce global warming?

While a man provided directions to a construction worker, two experimenters rudely interrupted by passing between them carrying a door.

Rocks formed from molten material

What is the signal for a vesicle storing peptide hormone to move to the plasma membrane and release contents of vesicle? a. Activation of an integrin receptor b. Activation of a g-protein c. Activation of an enzyme linked receptor d.

Which factor causes the greatest increase in an area's flash flood risk?

A body weight that is 10 to 15 percent below the desired weight is

How should we properly understand human nature?

Which molecule would be the most affected by limited nitrogen