Which is the significance of the tunica in plant growth? in the tunica, cell divisions are perpendicular to the stem axis, giving rise to thick layers of tissues covering the outside of the tip. in the tunica, cell divisions are parallel to the stem axis, giving rise to thick layers of tissues covering the inside of the tip. in the tunica, cell divisions are parallel to the stem axis, giving rise to thin layers of tissues covering the inside of the tip.

In addition to seeds, which of the following characteristics are unique to the seed-producing plants? a) sporopollenin b) lignin present in cell walls c) pollen d) use of air currents as a dispersal agent e) megaphylls

Complete the possible outcomes for each generation in the pedigree chartaa aa aa

Scenario #2 in 2001, a population of 2,500 poison dart frogs lived in the amazon rain forest. due to increased deforestation, the population dwindled to 25 frogs in 2019. new government regulations were enacted in 2022, successfully putting an end to the deforestation of the amazon rain forest. once deforestation was stopped, the poison dart frog population was able to recover. by 2050, the population reached 8,000 frogs, of that population, 20 are homozygous recessive for being spotted (ss genotype). q2- ? q- p- p2- 2pq-