Tutor and Freelance Writer. Science Teacher and Lover of Essays. Article last reviewed: 2020 | St. Rosemary Institution © 2010-2021 | Creative Commons 4.0

Stress, Stressors, Pain

Nature of stress Stressor: stimuli/ events in environment that place demands on us Response: stress (physiological? Cognitive? Behavioural? Person-situation Interaction: Transaction between organism & environment Stressors (Situations) Eliciting Stimuli: Place demands on well-being & require us to adapt Microstressors: daily hassles Catastrophic Events: occur unexpectedly..affect large #’s of people Major Negative Events: stressful life events…

Endosymbiosis & Lateral Gene Transfer

Endosymbiotic Theory: Mitochondria & Chloroplast are descendants of prokaryotic cells; they share clear structural/ biochemical features with modern prokaryotes. Cyanobacteria: blue-green algae; obtain their energy through photosynthesis Lateral gene Transfer: Gene from Mitochondria & Chloroplast MOVE from Mitochondria & Chloroplast to the nucleus Evidence of Endosymbiosis (Happened after evolution of aerobic prokaryotes) Morphology: Form of…

Treatment of Psychological Disorders

Goal of treatment: Help to change maladaptive thoughts, feelings, behaviours Helping Relationships: Most therapists today use an eclectic approach (A person who derives ideas, style, or taste from a broad and diverse range of sources.) Psychodynamic Therapy ASSUMPTIONS: Behavior is driven by biological urges, interpsychic conflict and developmental fixations GOALS: client seeks insight regarding unconscious…

How Carbon Monoxide Detectors Work

Summary Carbon Monoxide Detectors is a device that detects the presence of Carbon Monoxide (CO) Excess Carbon Monoxide(CO) = Carbon Monoxide Poisoning Silent Killer Incomplete Combustion History of Dalton’s Law John Dalton (6 September 1766 – 27 July 1844) was an English Chemist, Meteorologist and physicist He investigated and published the atomic theory which states…

Constitution Act, 1867: Canada Becomes a Nation

What is Confederation? In Canada, the term Confederation refers to the union of the three British North American colonies. The three colonies were made into the four provinces of New Brunswick, Nova Scotia, Ontario and Quebec. The other provinces and territories entered Confederation later. What did Confederation do? The Constitution Act, 1867 created a federal…

Darwin’s Theory: Homologous, Analogous, Vestigial Features

What Darwin Observed Darwin sent specimens collected on his voyage back to England to be examined by experts Fossils collected were confirmed to be large versions of the present-day sloth and armadillo The Galapagos Island’s bird specimens were in fact many different species of birds Darwin originally thought they were just variations of the same…