Question

1a.) All of the following are important features of the scientific process except ________.

a.Reproducibility

b.Simplicity

c.Peer review

d.Curiosity

e. Skepticism

1b.) Which of the following illustrates a positive feedback loop?

a. Melting glaciers causing sea levels to rise, which causes more melting.

b. Insulin lowering blood glucose when sugar levels become too high.

c. Beginning to sweat when your body overheats.

d. A buffer helping to maintain the pH of a chemical solution.

e. A thermostat maintaining a certain temperature in your house.

1c.) What is an example of low-quality energy?

a.nuclear fission

b.food

c.electricity

d.gasoline

e.heat in the ocean

1d.) The earth’s Geosphere is comprised of ____________.

a.Living things

b.Plants

c.Minerals, soil and sediment

d.Water

e.Air

1e.) Net primary productivity (NPP) refers to the:

a.Rate at which an ecosystem’s producers convert solar energy to chemical energy, minus the rate at which producers use energy for aerobic respiration.

b.Rate at which an ecosystem’s producers convert chemical energy to solar energy, plus the rate at which producers use energy for aerobic respiration.

c.Rate at which an ecosystem’s producers convert solar energy to chemical energy, minus the rate at which producers use energy for photosynthesis.

d.Rate at which an ecosystem’s producers convert solar energy to chemical energy, plus the rate at which producers use energy for aerobic respiration.

e.Rate at which an ecosystem’s producers convert chemical energy to solar energy, minus the rate at which producers use energy for aerobic respiration.

Answer 1

1a:-(c):- Peer review

1b:-(c):- beginning to sweat when your body heats up

1c:-(b):-food

1d:-(c):-minerals,soil and sediments.

1e:-(c):- Rate at which an ecosystem's producers convert solar energy to chemical energy minus the rate at which producers uses energy for photosynthesis.

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