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WorksheetsPenguin walking or… what?
Total questions: 10
Worksheet time: 5mins
What is the reason behind penguins using twice as much metabolic energy as other terrestrial animals of similar mass to walk a given distance?
Side-to-side waddling requiring excessive work
Large fluctuations in lateral kinetic energy
Short legs requiring rapid generation of muscular force
Poor exchange of mechanical energy
What percentage of the total kinetic-energy fluctuations in penguins is accounted for by fluctuations in lateral kinetic energy?
30%
20%
40%
10%
What is the recovery percentage of mechanical energy during each stride for penguins?
80%
60%
50%
70%
What is the metabolic cost of transport for emperor penguins at a speed of about 0.5 m/s?
4.23 J kg^-1 m^-1
10.0 J kg^-1 m^-1
8.38 J kg^-1 m^-1
8.64 J kg^-1 m^-1
Which animal is the exclusive disperser of the sticky seeds of the mistletoe Tristerix corymbosus?
Rats
Birds
Insects
Marsupials
What is the colour of mature fruits of Tristerix corymbosus?
Blue
Yellow
Green
Red
Which animal was more abundant in the trees supporting mistletoe plants based on automatic camera photographs?
Rats
Bats
Marsupials
Squirrels
What percentage of seeds defecated by Dromiciops australis fall to the ground?
15%
10%
5%
20%
What is the estimated percentage of seeds collected from marsupial faeces that germinated and developed a holdfast?
70%
100%
80%
90%
What is the only living representative of the family Microbiotheriidae?
Canis lupus
Felis catus
Rattus norvegicus
Dromiciops australis
