What would happen if a plant was unable to receive pollen? A. the plant would continue to produce fruits and seeds. B. the plant would be unable to produce fruits and seeds. C. Instead of the pistil producing pollen, the ovule would produce it.
D. Instead of the stamen producing pollen, the stigma would produce it.

The agent of mechanical weathering in which rock is worn away by the grinding action of other rock particles is call

Mary is conducting an experiment on how pollution affects plant growth. how can she ensure that her data are reliable?

Choose an equation that represents an enzyme-catalyzed reaction. (a) enzyme + substrate → enzyme-substrate complex (b) enzyme + substrate ←−→ enzyme + products (c) enzyme + substrate ←−→ enzyme-substrate complex → enzyme + products (d) enzyme + substrate ←−→ enzyme-substrate complex → enzyme-substrate complex + products