Unit 2: Metabolic Rate

Pregunta	Respuesta
What Is Metabolic Rate?	Metabolic rate is the quantity of energy consumed by an organism per unit time
What Is The Word Equation For Aerobic Respiration?	Glucose + Oxygen = Carbon Dioxide + Water + Energy
How Can Metabolic Rate Be Measured?	Oxygen consumption, carbon dioxide, heat production and a respirometer all done over a period of time
What Organism Groups Have The Highest Metabolic Rate?	Birds & Mammals
What Organism Groups Have The Second Highest Metabolic Rate?	Reptiles & Amphibians
What Organism Groups Have The Lowest Metabolic Rate?	Fish
What Circulatory System Does A Fish Have?	A single circulatory system
How Many Chambers Do Fish Have?	Two (1 Atrium, 1 Ventricle)
How Many Times Does The Blood Pass Through The Heart?	Only Once
Where Is Blood Transported?	Blood is transported to the gills at high pressure to collect oxygen & return to capillaries
What Circulatory System Do Reptiles & Amphibians Have?	Incomplete Double
How Many Chambers Do Reptiles & Amphibians Have?	Reptiles & Amphibians have a three chambered heart (2 atriums & 1 ventricle)
Where Does The Blood Go?	Blond is returning from the lungs (Oxygenated) & the body (deoxygenated) gets mixed with the ventricle
What Causes The Mixing Of Blood In Reptiles & Amphibians?	Little mixing occurs due to a septum that partially divides the ventricle
How Do Reptiles & Amphibians Overcome The Mixing Of Blood?	They absorb oxygen through their skin
What Circulatory System Do Birds & Mammals Have?	Complete double
How Many Chambers Do Birds & Mammals Have?	Four (2 atria & 2 ventricle)
How Many Times Does The Blood Pass Through The Heart?	Twice
Where & How Is Blood Transported?	Through out the body, oxygenated blood is pumped out at high pressure increasing efficiency
What Does This Ensure?	This ensures a higher metabolic rates are maintained

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