surveillance
Phylum
I think it is called family. Hope this helps.
follicular
The layer is called the palisade layer
Observe these life forms
Your watchful neighbor called me.
Observe
If you closely notice you will observe that their products are always equal to the wave speed.
To overlook or observe closely
The homograph for "to observe closely" is "watch," while the homograph for "a timepiece" is also "watch." The meaning is differentiated by context in which the word is used.
Vivid verbs for observe closely study, peer, stare, consider, absorb, soak up, to count every detail, etc... have fun choosing.
zoom in closely at their faces and body
Observing closely and analytically involves paying attention to details, patterns, and relationships within a given context. It requires actively engaging with the subject matter, identifying key elements, and drawing thoughtful conclusions based on evidence and reasoning. This approach helps to deepen understanding and uncover insights that may not be apparent at a superficial level.
watchful waiting
Observing means attentive, watchful, and looking on. The definition of comparing is, to regard as similar or to examine in order to observe or discover similarities or differences.
There are several: examine, study, assay, investigate.
Perhaps you mean "sleuthing?" Sleuthing means to spy, watch, or observe closely.