Unit 2 - KA 3: Metabolic Rate

Question 1

What are the 3 ways of measuring metabollic rate?

Answer 1

Oxygen consumption
Carbon dioxide output
Heat (energy) Production

Question 2

What are 4 pieces of equipment used to measure metabollic rate?

Answer 2

Respirometer
Oxygen probe
Carbon dioxide probe
Calorimeter

Question 3

What do organisms with high metabollic rates require?

Answer 3

More efficient transport systems to deliver oxygen.

Question 4

Give the order of efficiency in oxygen transport systems.

Answer 4

fish –> reptiles and amphibians –> mammals and birds

Question 5

Name the type of circulatory system in each vertebrate group.

Answer 5

Fish and Mmmals- Complete Double
Amphibians and Reptiles- Incomplete Double
Fish- Single

Question 6

Describe the complete double circulatory system.

Answer 6

2 atria and 2 ventricles
oxygenated and deoxygenated blood don’t mix.
blood is pumped out at higher pressure
Right atrium connects to capillary bed in lung, which oxygenates the blood.
The newly oxygenated blood flows back into the heart through the left atrium.
The left ventricle pumps the oxygenated blood across the body (capillary bed in body tissue).
Deoxygenated blood flows back into the right atrium.

Question 7

Describe an incomplete double circulatory system.

Answer 7

2 atria and 1 ventricle
oxygenated and deoxygenated blood mix
the ventricle pumps blood to the capillary bed in the lungs and across the body.
left atrium receives oxygenated blood from lungs.
right atrium receives deoxygenated blood from the body

Question 8

Describe a single circulatory system.

Answer 8

1 atrium and 1 ventricle.
oxygenated and deoxygenated blood mixes
blood flows in a 1 way system
ventricle->lungs->body->atrium->ventricle

Question 9

What is the nbame of the wall that separates the right and left halves of a human or bird heart?

Answer 9

Septum