What organism is believed to be responsible for the rise in oxygen in the atmosphere during the early times of our planet?

A. Plants
B. Cyanobacteria
C. LUCA cells
D. Eukaryotes

In some plants, pointed leaves (p) are dominant over rounded leaves (p). a plant with a genotype of pp

Multicellular organisms use cell division, mitosis, for growth and the maintenance and repair of cells and tissues. single-celled organisms may use cell division as their method of reproduction. regardless of the reason for mitosis, the process ensures genetic continuity. what is the step in the cell cycle that ensure genetic continuity?

In pea plants, the allele for inflated pod seed, i, is dominant over the allele for constricted pod seed, i. the punnett square shows a cross for this trait. which offspring will be homozygous dominant