What advantages to the pollen grain are the are smooth surface

All organisms contribute some water to the water cycle by conducting

In a lab, scientists grew several generations of offspring of a plant using the method shown. what conclusion can you make about the offspring? a. they formed from meiosis and mitosis. b. they have half the number of chromosomes as their parent. c. they have low genetic variability among them. d. they will be able to reproduce only after they grow flowers.

Autonomous underwater explorers will be used to gather large-scale ocean information select the best answer from the choices provided ot