Apes Energy Math

If an estuary has an NPP of 9000 g/m2/day and a respiration rate of 19200 g/m2/day, what is the gross primary productivity?

• 28200 g/m2/day

• 10200 g/m2/day

• -10200 g/m2/day

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

The combustion of one gallon of automobile fuel produces about 5 pounds of carbon (in CO2). Two autos are making a trip of 600 miles. The first auto gets 20 miles per gallon, the second gets 30 miles per gallon. Approximately how much LESS carbon (in CO2) will be produced by the second automobile on this trip?

• 10 lbs carbon

• 20 lbs carbon

• 50 lbs carbon

• 100 lbs carbon

Energy flow in Lake Fremont (kcal/m2/year) In the community described above, which of the following represents the respiratory energy (kcal/m2/year) used by autotrophs?

• 10

• 200

• 2,000

• 10,000

Tags

NGSS.MS-LS2-3

A 1200 W heater is used for 2 hours per day. Approximately how much energy does it use per month (assume a month is 30 days)?

• 24 kWh

• 56kWh

• 90kWh

• 72 kWh

Tags

NGSS.MS-PS3-5

To obtain 200J or energy from coal that is extracted using surface mining, 10J is expended. The EROEI of this process is

• 500

• 10

• 2

• 20

Tags

NGSS.HS-ESS3-2

NGSS.HS-ETS1-3

If an ape uses 500 kcal of energy per day, how much energy does it use in a week?

• 3500 kcal

• 3000 kcal

• 4000 kcal

• 4500 kcal

An ape's diet consists of 60% fruits, 30% leaves, and 10% insects. If it consumes 1000 kcal in a day, how many kcal does it get from fruits?

• 600 kcal

• 500 kcal

• 700 kcal

• 800 kcal

If an ape's energy expenditure is 2000 kcal/day and it consumes 2500 kcal/day, what is the energy surplus?

• 500 kcal

• 400 kcal

• 300 kcal

• 600 kcal

An ape climbs a tree using 100 kcal of energy. If it climbs 5 trees in a day, how much energy does it use?

• 500 kcal

• 400 kcal

• 600 kcal

• 700 kcal

If an ape's resting metabolic rate is 1500 kcal/day, how much energy does it expend in 10 days?

• 15000 kcal

• 14000 kcal

• 16000 kcal

• 17000 kcal

Tags

NGSS.MS-LS1-7

NGSS.MS-PS3-5