I run a battery powered electric fence. The energizer has a sensor for dark only mode. One evening with some wires pushed around and some hair left behind and then there was no more problem.
Elroy
Needles are leaves not apical meristems. All leaves have all their cells in place in the buds. Cells expand to full size by being filled with water, giving a fully expanded leaf.
Elroy
In Ontario the oldest Thujas are found on cliff edges of the Niagara escarpment. Research article here https://www.nrcresearchpress.com/doi/10.1139/B91-206
Elroy
See also http://dx.doi.org/10.1136/oem.58.1.38
Crystalline silica exposure and lung cancer mortality in diatomaceous earth industry workers: a quantitative risk assessment
A leaf is defined by having a bud in it's axil as opposed to leaflets which do not have axillary buds. Adventious means unexpected or accidental and describes buds not arising from an axil or terminal bud.
Elroy