Modifiers matching habitat:

• terrestrial,
• critical,
• dry,
• animal,
• artificial,
• defined,
• ecological,
• unique,
• benthic,
• marine,
• natural,
• small,
• open,
• estuarine,
• stressful,
• extreme,

Simple categories matching stressful:

• difficulty,
• symptom,
• circumstance,
• condition,
• event,
• treatment,
• posture,
• situation,
• episode,
• exertion,
• task,
• emotion,
• state,
• setting,
• therapy,
• occurrence,
• times,
• work,
• manipulation,
• activity,
• behavior,
• incident,
• procedure,
• experience,
• profession,
• time,
• habitat,
• occasion,
• sport,
• stimulus,
• circumstances,
• appointment,
• period,
• conflict,
• agent,
• motion,
• process,
• change,
• intervention,
• consequence,
• job,