Answer:
Pollination, the transfer of pollen from flower-to-flower in angiosperms or cone -to-cone in gymnosperms, takes place through self-pollination or cross-pollination. ... The placement of male and female flowers on separate plants or different parts of the plant are also barriers to self-pollination.
Explanation:
Answer:
Quartzite is formed from the metamorphism of sand stone
Answer:
using multiple origins of replication on each chromosome
Explanation:
Water. the only 4 macromolecules are nucleic acid, carbohydrate, lipids, and protein