Lesson 2: biology semester b test biology b unit 5: biology semester a review and test if you have the answers can you post them.

How does a gymnosperm prevent itself from pollinating the same tree

Aplant may open end close its stomata to prevent excess water loss and maintain

Cathy hypothesized that corn would not grow in mud. to test this hypothesis, she took corn kernels and placed 5 in mud, 3 in soil, and 2 in water. to her surprise, the kernels in the mud grew faster than the kernels in the soil. what error might have caused these unexpected results? a. wrong hypothesis b. not enough variables c. undefined control d. too many variables